![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK122 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-122-AR15P/0%2015%20UPK-122-AR15P-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK122 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK122 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-122-AR15P/2-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK122 [ASSEMBLED]")
-58 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Mil-Spec Upper Receiver - Made In U.S.AAR-15 Ejection Port Cover | Dust Cover Assembly- Pumpkin .223/5.56AR-15 Charging Handle| Flag and Pumpkin.750 Low Profile Steel
Gas Block with..
$229.99 $549.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK235 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-235-AR15P/UPK-235-AR15P-1-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK235 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK235 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-235-AR15P/UPK-235-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK235 [ASSEMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT GOLD| AR-15 4"M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOK RAILSECTIONS | FML-4-GLD-GRADIENTCERAKOTE GOLD | AR-15 CHARGING HANDLE| CH223-GLD-LATCH-01CERAKOTE GOLD | AR-15 EJECTION PORTCOVER | DUS..
$279.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK236 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-236-AR15P/UPK-236-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK236 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK236 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-236-AR15P/UPK-236-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK236 [ASSEMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT HUNTER ORANGE| AR-15 4"M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOK RAILSECTIONS | FML-4-ORG-GRADIENTCERAKOTE HUNTER ORANGE | AR-15 CHARGING HANDLE| CH223-ORG-LATCH-01CERAKOTE HUNTER ORANGE&..
$279.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK237 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-237-AR15P/UPK-237-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK237 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK237 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-237-AR15P/UPK-237-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK237 [ASSEMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT BRIGHT WHITE| AR-15 4"M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOK RAILSECTIONS | FML-4-WHI-GRADIENTCERAKOTE BRIGHT WHITE | AR-15 CHARGING HANDLE| CH223-WHI-LATCH-01CERAKOTE B..
$279.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK238 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-238-AR15P/UPK-238-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK238 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK238 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-238-AR15P/UPK-238-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK238 [ASSEMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT ROBINS EGG| AR-15 4"M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOK RAILSECTIONS | FML-4-RGB-GRADIENTCERAKOTE ROBINS EGG | AR-15 CHARGING HANDLE| CH223-RGB-LATCH-01CERAKOTE ROBIN..
$279.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK239 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-239-AR15P/UPK-239-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK239 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK239 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-239-AR15P/UPK-239-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK239 [ASSEMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT RED| AR-15 4"M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOK RAILSECTIONS | FML-4-RED-GRADIENTCERAKOTE RED | AR-15 CHARGING HANDLE| CH223-RED-LATCH-01CERAKOTE RED | AR-15 EJ..
$279.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK240 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-240-AR15P/UPK-240-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK240 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK240 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-240-AR15P/UPK-240-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK240 [ASSEMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT PINK| AR-15 4"M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOK RAILSECTIONS | FML-4-PNK-GRADIENTCERAKOTE PINK | AR-15 CHARGING HANDLE| CH223-PNK-LATCH-01CERAKOTE PINK | AR-15..
$279.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK187 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-187-AR15P/UPK-187-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK187 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK187 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-187-AR15P/UPK-187-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK187 [ASSEMBLED]")
-56 %
AR-15 MIL-SPEC UPPER RECEIVER| 223UPCERAKOTE GRADIENT GOLD| AR-154" M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOKRAIL SECTIONS | FML-4-GLD-GRADIENTCERAKOTE GOLD | AR-15 CHARGINGHANDLE | CH223-GLD-LATCH-01CERAKOTE GOLD | AR-15 EJECTIONPORT COVER | DUST COVER ASSEMBLY | DC223-GLDCERAKOTE ..
$269.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK188 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-188-AR15P/UPK-188-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK188 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK188 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-188-AR15P/UPK-188-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK188 [ASSEMBLED]")
-56 %
AR-15 MIL-SPEC UPPER RECEIVER| 223UPCERAKOTE GRADIENT HUNTER ORANGE| AR-154" M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOKRAIL SECTIONS | FML-4-ORG-GRADIENTCERAKOTE HUNTER ORANGE | AR-15 CHARGINGHANDLE | CH223-ORG-LATCH-01CERAKOTE HUNTER ORANGE | AR-15 EJECTIONPORT COVER | DUS..
$269.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK189 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-189-AR15P/UPK-189-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK189 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK189 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-189-AR15P/UPK-189-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK189 [ASSEMBLED]")
-56 %
AR-15 MIL-SPEC UPPER RECEIVER| 223UPCERAKOTE GRADIENT BRIGHT WHITE| AR-154" M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOKRAIL SECTIONS | FML-4-WHI-GRADIENTCERAKOTE BRIGHT WHITE | AR-15 CHARGINGHANDLE | CH223-WHI-LATCH-01CERAKOTE BRIGHT WHITE | AR-15 EJECTIONPORT COVER | DUST C..
$269.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK190 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-190-AR15P/UPK-190-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK190 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK190 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-190-AR15P/UPK-190-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK190 [ASSEMBLED]")
-56 %
AR-15 MIL-SPEC UPPER RECEIVER| 223UPCERAKOTE GRADIENT ROBINS EGG| AR-154" M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOKRAIL SECTIONS | FML-4-RGB-GRADIENTCERAKOTE ROBINS EGG | AR-15 CHARGINGHANDLE | CH223-RGB-LATCH-01CERAKOTE ROBINS EGG | AR-15 EJECTIONPORT COVER..
$269.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK191 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-191-AR15P/UPK-191-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK191 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK191 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-191-AR15P/UPK-191-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK191 [ASSEMBLED]")
-56 %
AR-15 MIL-SPEC UPPER RECEIVER| 223UPCERAKOTE GRADIENT RED| AR-154" M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOKRAIL SECTIONS | FML-4-RED-GRADIENTCERAKOTE RED | AR-15 CHARGINGHANDLE | CH223-RED-LATCH-01CERAKOTE RED | AR-15 EJECTIONPORT COVER | DUST COVER ASSEMBL..
$269.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK192 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-192-AR15P/UPK-192-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK192 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK192 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-192-AR15P/UPK-192-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK192 [ASSEMBLED]")
-56 %
AR-15 MIL-SPEC UPPER RECEIVER| 223UPCERAKOTE GRADIENT PINK | AR-154" M-LOK SUPER SLIM FREE FLOAT HANDGUARD W/ 2" & 3" M-LOKRAIL SECTIONS | FML-4-PNK-GRADIENTCERAKOTE PINK | AR-15 CHARGINGHANDLE | CH223-PNK-LATCH-01CERAKOTE PINK | AR-15 EJECTIONPORT COVER | DUST COVE..
$269.99 $619.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK254 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-254-AR15P/UPK-254-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK254 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK254 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-254-AR15P/UPK-254-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK254 [ASSEMBLED]")
New
-53 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE BRIGHT WHITEAR-15 4"M-Lok Super Slim Free Float Handguard W/ 2" & 3" M-Lok Rail Sections - CERAKOTE BRIGHT WHITECERAKOTE CAMO| AR-15 Charging Handle| Black and Bright WhiteCERAKOTE CAMO| AR-15 Ejection Port ..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK255 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-255-AR15P/UPK-255-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK255 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK255 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-255-AR15P/UPK-255-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK255 [ASSEMBLED]")
New
-53 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE HUNTER ORANGEAR-15 4"M-Lok Super Slim Free Float Handguard W/ 2" & 3" M-Lok Rail Sections - CERAKOTE HUNTER ORANGECERAKOTE CAMO| AR-15 Charging Handle| Black and Hunter OrangeCERAKOTE CAMO| AR..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK256 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-256-AR15P/UPK-256-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK256 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK256 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-256-AR15P/UPK-256-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK256 [ASSEMBLED]")
New
-53 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE REDAR-15 4"M-Lok Super Slim Free Float Handguard W/ 2" & 3" M-Lok Rail Sections - CERAKOTE REDCERAKOTE CAMO| AR-15 Charging Handle| Black and RedCERAKOTE CAMO| AR-15 Ejection Port Cover | Dust..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK257 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-257-AR15P/UPK-257-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK257 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK257 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-257-AR15P/UPK-257-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK257 [ASSEMBLED]")
New
-53 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE PINKAR-15 4"M-Lok Super Slim Free Float Handguard W/ 2" & 3" M-Lok Rail Sections - CERAKOTE PINKCERAKOTE CAMO| AR-15 Charging Handle| Black and PinkCERAKOTE CAMO| AR-15 Ejection Port Cover | D..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK258 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-258-AR15P/UPK-258-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK258 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK258 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-258-AR15P/UPK-258-AR15P-A-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK258 [ASSEMBLED]")
New
-53 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE ROBINS EGGAR-15 4"M-Lok Super Slim Free Float Handguard W/ 2" & 3" M-Lok Rail Sections - CERAKOTE ROBINS EGGCERAKOTE CAMO| AR-15 Charging Handle| Black and Robins EggCERAKOTE CAMO| AR-15 Eject..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK161 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-161-AR15P/UPK-161-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK161 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK161 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-161-AR15P/UPK-161-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK161 [ASSEMBLED]")
-55 %
5'' 5.56 NATO 1:5 5R TWIST NITRIDEPISTOL BARREL AND MICRO GAS TUBE | MADE INU.S.A | BRPIS-MICRO+GT-MICROCOLOR BRIGHTWHITE | AR-15 MIL-SPEC UPPER RECEIVER | 223UP-WHICERAKOTE BRIGHT WHITE | AR-154" COMBAT M-LOK HANDGUARD "C" CUT | FML-4C-WHICERAKOTE CAMO| AR-15 CHARGINGHANDLE| BLACK AND BRI..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK162 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-162-AR15P/UPK-162-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK162 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK162 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-162-AR15P/UPK-162-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK162 [ASSEMBLED]")
-55 %
5'' 5.56 NATO 1:5 5R TWIST NITRIDEPISTOL BARREL AND MICRO GAS TUBE | MADE INU.S.A | BRPIS-MICRO+GT-MICROCOLOR HUNTER ORANGE | AR-15 MIL-SPEC UPPER RECEIVER | 223UP-ORGCERAKOTE HUNTER ORANGE | AR-154" COMBAT M-LOK HANDGUARD "C" CUT | FML-4C-ORGCERAKOTE CAMO| AR-15 CHARGINGHANDLE| BLACK AND ..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK163 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-163-AR15P/UPK-163-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK163 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK163 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-163-AR15P/UPK-163-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK163 [ASSEMBLED]")
-55 %
5'' 5.56 NATO 1:5 5R TWIST NITRIDEPISTOL BARREL AND MICRO GAS TUBE | MADE INU.S.A | BRPIS-MICRO+GT-MICROCOLOR RED | AR-15 MIL-SPEC UPPER RECEIVER | 223UP-REDCERAKOTE RED | AR-154" COMBAT M-LOK HANDGUARD "C" CUT | FML-4C-REDCERAKOTE CAMO| AR-15 CHARGINGHANDLE| BLACK AND RED |..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK164 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-164-AR15P/UPK-164-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK164 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK164 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-164-AR15P/UPK-164-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK164 [ASSEMBLED]")
-55 %
5'' 5.56 NATO 1:5 5R TWIST NITRIDEPISTOL BARREL AND MICRO GAS TUBE | MADE INU.S.A | BRPIS-MICRO+GT-MICROCOLOR PINK | AR-15 MIL-SPEC UPPER RECEIVER | 223UP-PNKCERAKOTE PINK | AR-154" COMBAT M-LOK HANDGUARD "C" CUT | FML-4C-PNKCERAKOTE CAMO| AR-15 CHARGINGHANDLE| BLACK AN..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK165 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-165-AR15P/UPK-165-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK165 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK165 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-165-AR15P/UPK-165-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK165 [ASSEMBLED]")
-55 %
5'' 5.56 NATO 1:5 5R TWIST NITRIDEPISTOL BARREL AND MICRO GAS TUBE | MADE INU.S.A | BRPIS-MICRO+GT-MICROCOLOR ROBINS EGG | AR-15 MIL-SPEC UPPER RECEIVER | 223UP-RGBCERAKOTE ROBINS EGG | AR-154" COMBAT M-LOK HANDGUARD "C" CUT | FML-4C-RGBCERAKOTE CAMO| AR-15 CHARGINGHAND..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK156 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-156-AR15P/UPK-156-AR15P-7.8-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK156 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK156 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-156-AR15P/UPK-156-AR15P-1-7.8-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK156 [ASSEMBLED]")
-55 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARREL AND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER | BLACK AND BRIGHT WHITE -MADE IN U.S.A | 223UP-BILLET-WHI-CAM CERAKOTE BRIGHT WHITE | AR-15 CHARGING HANDLE |CH223-WHI-LATCH-..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK157 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-157-AR15P/UPK-157-AR15P-7.8-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK157 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK157 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-157-AR15P/UPK-157-AR15P-1-7.8-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK157 [ASSEMBLED]")
-55 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARREL AND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER | BLACK AND HUNTER ORANGE -MADE IN U.S.A | 223UP-BILLET-ORG-CAM CERAKOTE HUNTER ORANGE | AR-15 CHARGING HANDLE |CH22..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK158 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-158-AR15P/UPK-158-AR15P-7.8-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK158 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK158 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-158-AR15P/UPK-158-AR15P-1-7.8-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK158 [ASSEMBLED]")
-55 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARREL AND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER | BLACK AND RED -MADE IN U.S.A | 223UP-BILLET-RED-CAM CERAKOTE RED | AR-15 CHARGING HANDLE |CH223-RED-LATC..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK159 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-159-AR15P/UPK-159-AR15P-7.8-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK159 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK159 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-159-AR15P/UPK-159-AR15P-1-7.8-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK159 [ASSEMBLED]")
-55 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARREL AND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER | BLACK AND PINK -MADE IN U.S.A | 223UP-BILLET-PNK-CAM CERAKOTE PINK | AR-15 CHARGING HANDLE |CH223-PNK-LA..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK160 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-160-AR15P/UPK-160-AR15P-7.8-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK160 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK160 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-160-AR15P/UPK-160-AR15P-1-7.8-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK160 [ASSEMBLED]")
-55 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARREL AND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER | BLACK AND ROBINS EGG -MADE IN U.S.A | 223UP-BILLET-RGB-CAM CERAKOTE ROBINS EGG | AR-15 CHARGING HANDLE |..
$269.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK151 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-151-AR15P/UPK-151-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK151 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK151 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-151-AR15P/UPK-151-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK151 [ASSEMBLED]")
-53 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARRELAND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICRO CERAKOTECAMO| AR-15 BILLET UPPER RECEIVER| BLACK AND BRIGHT WHITE -MADE IN U.S.A | 223UP-BILLET-WHI-CAM CERAKOTEBRIGHT WHITE | AR-15 CHARGING HANDLE | CH223-W..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK152 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-152-AR15P/UPK-152-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK152 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK152 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-152-AR15P/UPK-152-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK152 [ASSEMBLED]")
-53 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARRELAND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER| BLACK AND HUNTER ORANGE -MADE IN U.S.A | 223UP-BILLET-ORG-CAM CERAKOTE HUNTER ORANGE | AR-15 CHARGING HAN..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK153 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-153-AR15P/UPK-153-AR15P--1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK153 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK153 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-153-AR15P/UPK-153-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK153 [ASSEMBLED]")
-53 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARRELAND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER| BLACK AND RED -MADE IN U.S.A | 223UP-BILLET-RED-CAM CERAKOTE RED | AR-15 CHARGING HANDLE | CH223-RED-LATCH-01 CERAK..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK154 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-154-AR15P/UPK-154-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK154 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK154 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-154-AR15P/UPK-154-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK154 [ASSEMBLED]")
-53 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARRELAND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER| BLACK AND PINK -MADE IN U.S.A | 223UP-BILLET-PNK-CAM CERAKOTE PINK | AR-15 CHARGING HANDLE | CH223-PNK-LATCH-01 CER..
$279.99 $599.99
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK155 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-155-AR15P/UPK-155-AR15P-1000x1000.png "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK155 [ASSEMBLED]")
![AR-15 .223/5.56 5" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK155 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-155-AR15P/UPK-155-AR15P-1-1000x1000.jpg "AR-15 .223/5.56 5\" BARREL W/ 4'' HANDGUARD | PISTOL UPPER BUILD UPK155 [ASSEMBLED]")
-53 %
Out Of Stock
5'' 5.56 NATO 1:5 5R TWIST NITRIDE PISTOL BARRELAND MICRO GAS TUBE | MADE IN U.S.A | BRPIS-MICRO+GT-MICROCERAKOTE CAMO| AR-15 BILLET UPPER RECEIVER| BLACK AND ROBINS EGG -MADE IN U.S.A | 223UP-BILLET-RGB-CAM CERAKOTE ROBINS EGG | AR-15 CHARGING HANDLE | CH223..
$279.99 $599.99
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | Pistol Upper Build UPK130 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-130-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | Pistol Upper Build UPK130 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | Pistol Upper Build UPK130 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-130-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | Pistol Upper Build UPK130 [ASSMBLED]")
-53 %
Out Of Stock
CERAKOTE CAMO| AR-15 Billet Upper Receiver| Flat Dark Earth and Burnt Bronze -Made In U.S.A5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15/.223/5.56 Birdcage Muzzle Brake W/ Crush WasherAR-15 Charging Ha..
$279.99 $599.99
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard |Pistol Upper Build UPK131 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-131-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard |Pistol Upper Build UPK131 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard |Pistol Upper Build UPK131 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-131-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard |Pistol Upper Build UPK131 [ASSMBLED]")
-53 %
Out Of Stock
CERAKOTE CAMO| AR-15 Billet Upper Receiver| Flat Dark Earth and Burnt Bronze -Made In U.S.A5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15/.223/5.56 Compact Muzzle Brake 1/2"x28 PitchAR-15 Charging Handl..
$279.99 $599.99
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard |Pistol Upper Build UPK132 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-132-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard |Pistol Upper Build UPK132 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard |Pistol Upper Build UPK132 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-132-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard |Pistol Upper Build UPK132 [ASSMBLED]")
-55 %
AR-15 Mil-Spec Upper Receiver - Made In U.S.A5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.ACERAKOTE CAMO| AR-15 Charging Handle| Flat Dark Earth and Burnt BronzeCERAKOTE CAMO| AR-15 Ejection Port Cover | Dus..
$259.99 $579.99
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard |Pistol Upper Build UPK251 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-251-AR15P/UPK-251-AR15P-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard |Pistol Upper Build UPK251 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard |Pistol Upper Build UPK251 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-251-AR15P/0%202a-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard |Pistol Upper Build UPK251 [ASSMBLED]")
-54 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In U.S.A5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube
| Made in U.S.A AR-15/.223/5.56Stainless Steel Muzzle Brake Tri Port Sides w/ Solid Top-Bottom - CerakoteBlackCERAKOTECAMO..
$279.99 $609.99
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | Pistol Upper Build UPK234 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-234-AR15P/01%20group-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | Pistol Upper Build UPK234 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | Pistol Upper Build UPK234 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-234-AR15P/02%20white-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | Pistol Upper Build UPK234 [ASSEMBLED]")
-55 %
CERAKOTE SPLATTER| AR-15 MIL-SPEC UPPER RECEIVER -BASE BRIGHT WHITE- PATTERN- RGB-RED-PNK-ORG-LEM-ZBG- MADE IN U.S.A5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.A.750 Low Profile Steel Gas Block with Roll Pins &..
$289.99 $639.99
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK111 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-111-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK111 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK111 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-111-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK111 [ASSMBLED]")
-54 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Circle Slick Side DPMS Upper Receiver - Forged M4 Flat Top | Multi CalAR-15/47/9/300AAC Clamp On Rail System- 4 InchAR-15 Charging Handle | Latch 01.750 Low Profile Steel
Gas Bl..
$309.99 $679.99
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK112 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-112-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK112 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK112 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-112-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK112 [ASSMBLED]")
-54 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Circle Slick Side DPMS Upper Receiver - Forged M4 Flat Top | Multi CalAR-15 4" Combat M-Lok Handguard "C" CutAR-15 Charging Handle | Latch 01.750 Low Profile Steel
Gas Block wit..
$309.99 $679.99
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK114 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-114-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK114 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK114 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-114-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK114 [ASSMBLED]")
-54 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Circle Slick Side DPMS Upper Receiver - Forged M4 Flat Top | Multi CalAR-15 4" M-Lok Super Slim Free Float Handguard - Black- 4 InchAR-15 Charging Handle | Latch 01.750 Low Profile S..
$309.99 $679.99
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK229 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-229-AR15P/UPK-229-AR15P--1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK229 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK229 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-229-AR15P/UPK-229-AR15P-BLK-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK229 [ASSEMBLED]")
-57 %
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - Black.750 Low Profile Steel Gas Block with Roll Pins & Wrench -BlackAR-15 Combat Modular M-Lok Handguard "C" Cut - Black-..
$259.99 $609.99
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK233 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-233-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK233 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK233 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-233-AR15P/UPK-233-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK233 [ASSEMBLED]")
-58 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackAR-15 Ejection Port Cover | Dust Cover Assembly- Fear Nothing - Love EverythingAR-15 Charging Handle | Latch 01.750..
$269.99 $639.99
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK121 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-121-AR15P/0%20a%2024-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK121 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK121 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-121-AR15P/3-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK121 [ASSEMBLED]")
-60 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Mil-Spec Upper Receiver - Made In U.S.AAR-15 Ejection Port Cover | Dust Cover Assembly- Pumpkin .223/5.56AR-15 Charging Handle| Flag and Pumpkin.750 Low Profile Steel
Gas Block with..
$209.99 $529.99
![CERAKOTE OPTIONS|AR-15 5'' BARREL 4'' M-LOK HANDGUARD |PISTOL UPPER BUILD UPK116 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-116-AR15P/1a-1000x1000.png "CERAKOTE OPTIONS|AR-15 5'' BARREL 4'' M-LOK HANDGUARD |PISTOL UPPER BUILD UPK116 [ASSEMBLED]")
![CERAKOTE OPTIONS|AR-15 5'' BARREL 4'' M-LOK HANDGUARD |PISTOL UPPER BUILD UPK116 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-116-AR15P/UPK-116-AR15P-BBR-1-1000x1000h.png "CERAKOTE OPTIONS|AR-15 5'' BARREL 4'' M-LOK HANDGUARD |PISTOL UPPER BUILD UPK116 [ASSEMBLED]")
-56 %
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Charging Handle | CH223AR-15 Ejection Port Cover | Dust Cover Assembly- Skull Stay Spooky.750 Low Profile Steel Gas Block with Roll Pins & Wrench -BlackLow-Profile Micro Steel AR Gas Block.750 + Stai..
$239.99 $549.99
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK115 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-115-AR15P/1aa-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK115 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel 4" Handguard M Lok| PISTOL UPPER BUILD UPK115 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-115-AR15P/UPK-115-AR15P-ZBG-1-1000x1000.png "AR-15 .223/5.56 5\" Barrel 4\" Handguard M Lok| PISTOL UPPER BUILD UPK115 [ASSMBLED]")
-58 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Ejection Port Cover | Dust Cover Assembly- Spider WebForward Assist Complete Mil Spec AssemblyAR-15 Charging Handle | Latch 01.750 Low Profile Steel
Gas Block with Roll Pins & W..
$229.99 $549.99
![AR-15 .223/5.56 5" Barrel W/ 4" Handguard M Lok| PISTOL UPPER BUILD UPK96 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-96-AR15P/UPK-96-AR15P-1-4.25-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4\" Handguard M Lok| PISTOL UPPER BUILD UPK96 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4" Handguard M Lok| PISTOL UPPER BUILD UPK96 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-96-AR15P/UPK-96-AR15P-BLK-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4\" Handguard M Lok| PISTOL UPPER BUILD UPK96 [ASSEMBLED]")
-60 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15 Mil-Spec Upper Receiver - Made In U.S.AAR-15 M-LOK Super Slim Free Float Handguard with Steel Barrel Nut|.750 Low Profile Steel
Gas Block with Roll Pins & Wrench -Black..
$209.99 $529.99
![AR-15 .223/5.56 5" Barrel W/ 4" Handguard M Lok Options| PISTOL UPPER BUILD UPK95 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-95-AR15P/0%2024%20UPK-95-AR15P-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4\" Handguard M Lok Options| PISTOL UPPER BUILD UPK95 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4" Handguard M Lok Options| PISTOL UPPER BUILD UPK95 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-95-AR15P/UPK-95-AR15P%200%202024-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel W/ 4\" Handguard M Lok Options| PISTOL UPPER BUILD UPK95 [ASSEMBLED]")
-55 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.AAR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackAR-15 Charging Handle | Don't Tread On MeAR-15 Ejection Port Cover | Dust Cover Assembly- American Flag Laser Etched
..
$239.99 $529.99
![AR-15 .223/5.56 5" Barrel W/ 4" Handguard M Lok| PISTOL UPPER BUILD UPK87 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-87-AR15P/000%2024-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4\" Handguard M Lok| PISTOL UPPER BUILD UPK87 [ASSEMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4" Handguard M Lok| PISTOL UPPER BUILD UPK87 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-87-AR15P/2-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4\" Handguard M Lok| PISTOL UPPER BUILD UPK87 [ASSEMBLED]")
-54 %
5'' 5.56 NATO 1:5 5R
Twist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.A AR-15 Billet
Stripped Mod 1 Upper Receiver | Made In USAAR-15 4" M-Lok
Super Slim Free Float Handguard W/ 2" & 3" M-Lok Rail SectionsAR-15 Talon Charging
Handle | Steel Latch..
$259.99 $569.99
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