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![AR-40/ 40 S&W 8" Barrel 7" Handguard M Lok | PISTOL UPPER BUILD UPK109 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-109-AR40P/0%203%20UPK-109-AR40P-1000x1000.jpg "AR-40/ 40 S&W 8\" Barrel 7\" Handguard M Lok | PISTOL UPPER BUILD UPK109 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard M Lok | PISTOL UPPER BUILD UPK109 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-109-AR40P/UPK-109-AR40P-2025-BLK-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard M Lok | PISTOL UPPER BUILD UPK109 [ASSMBLED]")
-58 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USAAR-15 Charging Handle |
Latch 01AR-15 Ejection Port Cover
| Dust Cover Assembly- Beware Skull and CrossbonesForward Assist Complete
Mil Spec AssemblyAR-10 / LR-308 A2 StyleBirdcage Muzzle Brake COLOR OPTION:BLACKAR-15 Mil-Spe..
$229.99 $549.99
![AR-15 .223/5.56 16" Barrel W/ 15" Handguard M LOK | Carbine Upper Build UPK100 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-100-AR15C/0%205%20-1000x1000.jpg "AR-15 .223/5.56 16\" Barrel W/ 15\" Handguard M LOK | Carbine Upper Build UPK100 [ASSMBLED]")
![AR-15 .223/5.56 16" Barrel W/ 15" Handguard M LOK | Carbine Upper Build UPK100 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-100-AR15C/2-1000x1000.jpg "AR-15 .223/5.56 16\" Barrel W/ 15\" Handguard M LOK | Carbine Upper Build UPK100 [ASSMBLED]")
-56 %
AR-15 Red Stripped Upper Receiver | Made In USA |AR-15 Charging Handle | Latch Option 01 AR-15 Ejection Port Cover | Dust Cover AssemblyLow-Profile Micro
Steel AR Gas Block.750 + Stainless Steel Gas Tube - Carbine Length [Assembled]AR-15/.223/5.56 6 Baffles muzzle brakeAR-15 15" M-Lok Super Slim Li..
$249.99 $569.99
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK322 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-322-AR15P/UPK-322-AR15P-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK322 [ASSMBLED]")
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK322 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-322-AR15P/UPK-322-AR15P-BLK-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK322 [ASSMBLED]")
-58 %
10.5" 5.56 NATO 1:7Twist Parkerized Pistol Barrel | Made In U.S.ACerakote Splatter|AR-15 Mil-Spec Upper Receiver - Base Black - Pattern - Glacier Silver - Made inU.S.ACerakote Splatter |AR-15 10'' Light Weight Keymod Handguard - Base Black - Pattern - GlacierSilver - W/ Steel Barrel Nut.750 Low Prof..
$239.99 $569.99
![AR-15 .223/5.56 16" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK324 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-324-AR15C/UPK-324-AR15C-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK324 [ASSMBLED]")
![AR-15 .223/5.56 16" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK324 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-324-AR15C/UPK-324-AR15C-BLK-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK324 [ASSMBLED]")
-57 %
16'' 5.56 NATO1:8 Twist Stainless Steel Barrel | Made in U.S.ACerakote Splatter|AR-15 Mil-Spec Upper Receiver - Base Black - Pattern - Glacier Silver - Made inU.S.ACerakote Splatter |AR-15 10'' Light Weight Keymod Handguard - Base Black - Pattern - GlacierSilver - W/ Steel Barrel Nut.750 Low Profile..
$259.99 $609.99
![AR-15 .223/5.56 10" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK321 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-321-AR15P/UPK-321-AR15P-1000x1000.png "AR-15 .223/5.56 10\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK321 [ASSMBLED]")
![AR-15 .223/5.56 10" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK321 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-321-AR15P/UPK-321-AR15P-BLK-1000x1000.png "AR-15 .223/5.56 10\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK321 [ASSMBLED]")
-58 %
10.5" 5.56 NATO 1:7Twist Parkerized Pistol Barrel | Made In U.S.ACerakote Splatter|AR-15 Mil-Spec Upper Receiver - Base Black - Pattern - Gold - Made in U.S.ACerakote Splatter |AR-15 10'' Light Weight Keymod Handguard - Base Black - Pattern - Gold - W/Steel Barrel Nut.750 Low Profile MicroGas Block ..
$239.99 $569.99
![AR-15 .223/5.56 16" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK323 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-323-AR15C/UPK-323-AR15C-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK323 [ASSMBLED]")
![AR-15 .223/5.56 16" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK323 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-323-AR15C/UPK-323-AR15C-BLK-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ 10'' Handguard |CARBINE UPPER BUILD UPK323 [ASSMBLED]")
-57 %
16" 5.56 Nato 1:7Twist Parkerized Barrel | Carbine Length Gas System | Made in U.S.ACerakote Splatter|AR-15 Mil-Spec Upper Receiver - Base Black - Pattern - Gold - Made in U.S.ACerakote Splatter |AR-15 10'' Light Weight Keymod Handguard - Base Black - Pattern - Gold - W/Steel Barrel Nut.750 Low Prof..
$259.99 $609.99
![AR-15 .223/5.56 16" Barrel W/ 16'' Handguard |CARBINE UPPER BUILD UPK325 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-325-AR15C/UPK-325-AR15C-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ 16'' Handguard |CARBINE UPPER BUILD UPK325 [ASSMBLED]")
![AR-15 .223/5.56 16" Barrel W/ 16'' Handguard |CARBINE UPPER BUILD UPK325 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-325-AR15C/UPK-325-AR15C-BLK-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ 16'' Handguard |CARBINE UPPER BUILD UPK325 [ASSMBLED]")
-58 %
16" 5.56 Nato 1:7Twist Parkerized Barrel | Carbine Length Gas System | Made in U.S.ACerakote Splatter|AR-15 Mil-Spec Upper Receiver - Base Black - Pattern - Gold - Made in U.S.ACerakote Splatter |AR-15 16'' Free Float Keymod Handguard Rail System - Base Black - Pattern -Gold.750 Low Profile MicroGas..
$259.99 $619.99
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK320 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-320-AR15P/UPK-320-AR15P-MAIN-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK320 [ASSMBLED]")
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK320 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-320-AR15P/UPK-320-AR15P-WHI-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK320 [ASSMBLED]")
-57 %
10.5" 5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made In U.S.ACerakote Splatter|
AR-15 Mil-Spec Upper Receiver - Base Blue Flame - Pattern - Bright White - Red
- Made in U.S.A Cerakote Splatter |
AR-15 10'' Ultra Slim Keymod Handguards V2 - Base Blue Flame - Pattern - Bright
White - Red..
$259.99 $599.99
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK319 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-319-AR15P/UPK-319-AR15P-MAIN-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK319 [ASSMBLED]")
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK319 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-319-AR15P/UPK-319-AR15P-BLU-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK319 [ASSMBLED]")
-57 %
10.5" 5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made In U.S.ACerakote Splatter|
AR-15 Mil-Spec Upper Receiver - Base Red - Pattern - Bright White - Blue Flame
- Made in U.S.ACerakote Splatter |
AR-15 10'' Ultra Slim Keymod Handguards V2 - Base Red - Pattern - Bright White
- Blue Flame - W/ ..
$259.99 $599.99
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK318 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-318-AR15P/UPK-318-AR15P-MAIN-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK318 [ASSMBLED]")
![AR-15 .223/5.56 10.5" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK318 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-318-AR15P/UPK-318-AR15P-BLU-1000x1000.png "AR-15 .223/5.56 10.5\" Barrel W/ 10'' Handguard | PISTOL UPPER BUILD UPK318 [ASSMBLED]")
-57 %
10.5" 5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made In U.S.ACerakote Splatter| AR-15 Mil-Spec Upper Receiver - Base Bright White - Pattern - Red - Blue Flame - Made in U.S.ACerakote Splatter | AR-15 10'' Ultra Slim Keymod Handguards V2 - Base Bright White - Pattern - Red - Blue Flame - W/ Stee..
$259.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK264 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-264-AR15C/UPK-264-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK264 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK264 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-264-AR15C/UPK-264-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK264 [ASSMBLED]")
-54 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE BRIGHT WHITE | 223UP-BILLET-SC-WHICERAKOTE CAMO| AR-15 Charging Handle| Black and Bright White | CH223-WHI-CAMCERAKOTE CAMO| AR-15 Ejection Port Cover | Dust Cover Assembly| Black and Bright White | DC223-WHI-CA..
$279.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK265 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-265-AR15C/UPK-265-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK265 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK265 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-265-AR15C/UPK-265-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK265 [ASSMBLED]")
-54 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE HUNTER ORANGE | 223UP-BILLET-SC-ORGCERAKOTE CAMO| AR-15 Charging Handle| Black and Hunter Orange | CH223-ORG-CAMCERAKOTE CAMO| AR-15 Ejection Port Cover | Dust Cover Assembly| Black and Hunter Orange&n..
$279.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK266 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-266-AR15C/UPK-266-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK266 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK266 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-266-AR15C/UPK-266-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK266 [ASSMBLED]")
-54 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE RED | 223UP-BILLET-SC-REDCERAKOTE CAMO| AR-15 Charging Handle| Black and Red | CH223-RED-CAMCERAKOTE CAMO| AR-15 Ejection Port Cover | Dust Cover Assembly| Black and Red | DC223-RED-CAM.750 Low Profile Micr..
$279.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK267 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-267-AR15C/UPK-267-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK267 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK267 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-267-AR15C/UPK-267-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK267 [ASSMBLED]")
-54 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE PINK | 223UP-BILLET-SC-PNKCERAKOTE CAMO| AR-15 Charging Handle| Black and Pink | CH223-PNK-CAMCERAKOTE CAMO| AR-15 Ejection Port Cover | Dust Cover Assembly| Black and Pink | DC223-PNK-CAM.750 Low Profile Micro ..
$279.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK268 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-268-AR15C/UPK-268-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK268 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK268 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-268-AR15C/UPK-268-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK268 [ASSMBLED]")
-54 %
AR-15/47/9/300Custom Lightweight Side Cut Billet Upper Receiver - Made In USA - CERAKOTE ROBINS EGG | 223UP-BILLET-SC-RGBCERAKOTE CAMO| AR-15 Charging Handle| Black and Robins Egg | CH223-RGB-CAMCERAKOTE CAMO| AR-15 Ejection Port Cover | Dust Cover Assembly| Black and Robins Egg | DC2..
$279.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-341-AR15C/UPK-341-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK341 [ASSMBLED]")
New
-54 %
CERAKOTE BLUE FLAME |AR-15/47/9/300 Custom Lightweight Side Cut Billet Upper Receiver - Made InU.S.ACERAKOTE CAMO BLU |AR-15 Charging Handle - Base BLK - Pattern - BLUCERAKOTE CAMO BLU |AR-15 Ejection Port Cover | Dust Cover Assembly - Base BLK - Pattern - BLU.750 Low Profile Micro Gas Block And Sil..
$279.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK340 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-340-AR15C/UPK-340-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK340 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK340 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-340-AR15C/UPK-340-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK340 [ASSMBLED]")
New
-55 %
CERAKOTE CAMO BLU |AR-15/47/9/300 Custom Lightweight Side Cut Billet Upper Receiver - Base BLK -Pattern - BLU - Made In U.S.ACERAKOTE BLUE FLAME |AR-15 Charging HandleAR-15 EJECTION PORT COVER |DUST COVER ASSEMBLY | DC223CERAKOTE BLUE FLAME | LowProfile Steel Micro Gas Block Clamp-On Design9.75" STA..
$279.99 $619.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK339 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-339-AR15C/UPK-339-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK339 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK339 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-339-AR15C/UPK-339-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK339 [ASSMBLED]")
New
-56 %
CERAKOTE BLUE FLAME |AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE CAMO BLU |AR-15 Charging Handle - Base BLK - Pattern - BLUCERAKOTE CAMO BLU |AR-15 Ejection Port Cover | Dust Cover Assembly - Base BLK - Pattern - BLUFORWARD ASSIST COMPLETE MILSPEC ASSEMBLY | ARFALOW-PROFILE MICRO STEEL AR ..
$269.99 $619.99
![AR-15 .223/5.56 16" Barrel W/ Handguard Size Option | Carbine Upper Build UPK253 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-253-AR15C/0-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ Handguard Size Option | Carbine Upper Build UPK253 [ASSMBLED]")
![AR-15 .223/5.56 16" Barrel W/ Handguard Size Option | Carbine Upper Build UPK253 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-253-AR15C/1-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ Handguard Size Option | Carbine Upper Build UPK253 [ASSMBLED]")
-55 %
CERAKOTE
CAMO| AR-15/47/9/300 Custom Lightweight Side Cut Billet Upper Receiver | Flat
Dark Earth and Burnt Bronze - Made In U.S.A16"5.56 Nato 1:7 Twist Parkerized Barrel | Carbine Length Gas System | Made inU.S.AAR-15 ChargingHandle | Latch 01AR-15Ejection Port Cover | Dust Cover Asse..
$279.99 $619.99
![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-2025-1000x1000.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/UPK-251-AR15P-A-2025-1000x1000.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.AAR-15/.223/5.56 Stainless Steel Muzzle Brake Tri Port Sides w/ Solid Top-Bottom - Cerakote BlackCERAKOTECAMO| AR-15 Charging..
$279.99 $609.99
![AR-15 .223/5.56 7" Barrel W/ 7'' Handguard | PISTOL UPPER BUILD UPK252 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-252-AR15P/0%2024a%20UPK-252-AR15P-1000x1000.png "AR-15 .223/5.56 7\" Barrel W/ 7'' Handguard | PISTOL UPPER BUILD UPK252 [ASSMBLED]")
![AR-15 .223/5.56 7" Barrel W/ 7'' Handguard | PISTOL UPPER BUILD UPK252 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-252-AR15P/2aaa-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel W/ 7'' Handguard | PISTOL UPPER BUILD UPK252 [ASSMBLED]")
-55 %
7"5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made in U.S.ACERAKOTE
CAMO| AR-15/47/9/300 Custom Lightweight Side Cut Billet Upper Receiver | Flat
Dark Earth and Burnt Bronze - Made In U.S.AAR-15 ChargingHandle | Latch 01AR-15Ejection Port Cover | Dust Cover Assembly-CERA..
$269.99 $599.99
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK250 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-250-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK250 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK250 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-250-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK250 [ASSMBLED]")
-56 %
Out Of Stock
5'' 5.56 NATO 1:5 5RTwist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.ACERAKOTE SPLATTER |AR-15 Mil-Spec Upper Receiver -BASE FDE- PATTERN-BBR-ODG-GOLD- MADE IN U.S.ACERAKOTE SPLATTER |AR-15 4'' Combat Modular M-Lok Handguard "C" Cut -BASE FDE- PATTERN-BBR-ODG-GOLDAR-15 Charging Handle |L..
$279.99 $639.99
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK249 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-249-AR15P/1-1000x1000.png "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK249 [ASSMBLED]")
![AR-15 .223/5.56 5" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK249 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-249-AR15P/2-1000x1000.jpg "AR-15 .223/5.56 5\" Barrel W/ 4'' Handguard | PISTOL UPPER BUILD UPK249 [ASSMBLED]")
-56 %
Out Of Stock
5'' 5.56 NATO 1:5 5RTwist Nitride Pistol Barrel and Micro Gas Tube | Made in U.S.ACERAKOTE SPLATTER |AR-15 Mil-Spec Upper Receiver -Base Sniper Gray- Pattern- Red- Pink- RobinsEgg- Made in U.S.ACERAKOTE SPLATTER |AR-15 4'' Combat Modular M-Lok Handguard "C" Cut -Base Sniper Gray-Pattern- Red- Pink- ..
$279.99 $639.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK338 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-338-AR15C/UPK-338-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK338 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK338 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-338-AR15C/UPK-338-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK338 [ASSMBLED]")
New
-57 %
CERAKOTE BLUE FLAME |AR-15 Mil-Spec Upper Receiver - Made In U.S.AAR-15 CHARGING HANDLE | CH223AR-15 EJECTION PORT COVER |DUST COVER ASSEMBLY | DC223FORWARD ASSIST COMPLETE MIL SPECASSEMBLY | ARFALOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-..
$259.99 $609.99
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| SIDE CHARGING PISTOL UPPER BUILD UPK232 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-232-AR15P-SIDE-CHARGING/0%201%2025-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| SIDE CHARGING PISTOL UPPER BUILD UPK232 [ASSMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| SIDE CHARGING PISTOL UPPER BUILD UPK232 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-232-AR15P-SIDE-CHARGING/UPK-232-AR15P-SIDE-CHARGING-BLK-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| SIDE CHARGING PISTOL UPPER BUILD UPK232 [ASSMBLED]")
-54 %
7" 5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made in U.S.AAR-15 Complete Side Charging Upper Receiver Assembly | Made in USA6.7" Stainless Steel Gas Tube - Pistol LengthR-15 M-LOK Slim Profile Free Float Handguard – Black| Made in USA| 7 INCHOptionsBLACKAR-15/.223/5...
$309.99 $669.99
![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/0x-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/1x-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 & Wrench -BlackAR-15/.223/5.56 ..
$229.99 $549.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK280 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-280-AR40P/UPK-280-AR40P-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK280 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK280 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-280-AR40P/UPK-280-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK280 [ASSMBLED]")
-58 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE BURNT BRONZE |
AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE BURNT BRONZE |
AR-15 7'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.AAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejectio..
$239.99 $569.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK281 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-281-AR40P/UPK-281-AR40P-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK281 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK281 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-281-AR40P/UPK-281-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK281 [ASSMBLED]")
-58 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE HUNTER ORANGE
| AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE HUNTER ORANGE
| AR-15 7'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.AAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Eject..
$239.99 $569.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK282 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-282-AR40P/UPK-282-AR40P-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK282 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK282 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-282-AR40P/UPK-282-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK282 [ASSMBLED]")
-58 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE BRIGHT WHITE |
AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE BRIGHT WHITE |
AR-15 7'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.AAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejectio..
$239.99 $569.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK283 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-283-AR40P/UPK-283-AR40P-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK283 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK283 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-283-AR40P/UPK-283-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK283 [ASSMBLED]")
-58 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE ROBINS EGG |
AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE ROBINS EGG |
AR-15 7'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.AAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Po..
$239.99 $569.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK284 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-284-AR40P/UPK-284-AR40P-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK284 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK284 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-284-AR40P/UPK-284-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK284 [ASSMBLED]")
-58 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE RED | AR-15
Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE RED | AR-15
7'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.AAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover | Dus..
$239.99 $569.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK285 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-285-AR40P/UPK-285-AR40P-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK285 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK285 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-285-AR40P/UPK-285-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK285 [ASSMBLED]")
-58 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE PINK | AR-15
Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE PINK | AR-15
7'' Angle Cut Clamp on M-LOK Handguard - Made in U.S.AAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover | D..
$239.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK103 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-103-AR40P/UPK-103-AR40P-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK103 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK103 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-103-AR40P/UPK-103-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK103 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE BURNT BRONZE |
AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE BURNT BRONZE |AR-15 4‘’ Combat Modular M-Lok Handguard "C" CutAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover |..
$239.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-104-AR40P/UPK-104-AR40P-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-104-AR40P/UPK-104-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK104 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE HUNTER ORANGE
| AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE HUNTER ORANGE| AR-15 4‘’ Combat Modular M-Lok Handguard "C" CutAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover..
$239.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK105 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-105-AR40P/UPK-105-AR40P-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK105 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK105 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-105-AR40P/UPK-105-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK105 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE BRIGHT WHITE |
AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE BRIGHT WHITE |AR-15 4‘’ Combat Modular M-Lok Handguard "C" CutAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover |..
$239.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK106 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-106-AR40P/UPK-106-AR40P-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK106 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK106 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-106-AR40P/UPK-106-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK106 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE ROBINS EGG |
AR-15 Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE ROBINS EGG |AR-15 4‘’ Combat Modular M-Lok Handguard "C" CutAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover | Dus..
$239.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK107 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-107-AR40P/UPK-107-AR40P-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK107 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK107 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-107-AR40P/UPK-107-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK107 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE RED | AR-15
Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE RED | AR-154‘’ Combat Modular M-Lok Handguard "C" CutAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover | Dust Cover Assemb..
$239.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK108 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-108-AR40P/UPK-108-AR40P-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK108 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK108 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-108-AR40P/UPK-108-AR40P-A-1000x1000.jpg "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK108 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4"
1:16 Twist Black Nitride Finish - Made in USACERAKOTE PINK | AR-15
Mil-Spec Upper Receiver - Made In U.S.ACERAKOTE PINK | AR-154‘’ Combat Modular M-Lok Handguard "C" CutAR-15 Charging Handle |
Latch 01CERAKOTE CAMO| AR-15
Ejection Port Cover | Dust Cover Asse..
$239.99 $569.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK279 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-279-AR40P/0%200%2025%20a-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK279 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard | PISTOL UPPER BUILD UPK279 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-279-AR40P/UPK-279-AR40P-BLK-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard | PISTOL UPPER BUILD UPK279 [ASSMBLED]")
-57 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USAAR-15 Mil-Spec Upper
Receiver - Made In U.S.AAR-15 7'' Free Float
M-LOK Handguard with "C" Hybrid Cut - ABC Logo - Made In USAAR-10 / LR-308 Linear
Hexagon Multi Ported Muzzle Break| Made in U.S.A COLOR OPTIONBLACKAR-15 Charg..
$249.99 $579.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard Option | PISTOL UPPER BUILD UPK278 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-278-AR40P/UPK-278-AR40P-MAIN-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard Option | PISTOL UPPER BUILD UPK278 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard Option | PISTOL UPPER BUILD UPK278 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-278-AR40P/UPK-278-AR40P-FML-TC-7-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard Option | PISTOL UPPER BUILD UPK278 [ASSMBLED]")
-55 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USAAR-15 Billet Stripped Mod
1 Upper Receiver - Made In U.S.AAR-15 Charging Handle|
Witch Hat and BroomAR-15 Ejection Port Cover
| Dust Cover Assembly- Witch on the moonAR-10 / LR-308 A2 Style
Birdcage Muzzle Brake HANDGU..
$269.99 $599.99
![AR-40/ 40 S&W 8" Barrel 7" Handguard M Lok | PISTOL UPPER BUILD UPK110 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-110-AR40P/UPK-110-AR40P-BLK%20-%20MAIN-2025-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard M Lok | PISTOL UPPER BUILD UPK110 [ASSMBLED]")
![AR-40/ 40 S&W 8" Barrel 7" Handguard M Lok | PISTOL UPPER BUILD UPK110 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-110-AR40P/UPK-110-AR40P-BLK-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard M Lok | PISTOL UPPER BUILD UPK110 [ASSMBLED]")
-57 %
AR-40/ 40 S&W 8"
1:16 Twist Black Nitride Finish - Made in USAAR-15 Charging Handle | Latch 01AR-15 Ejection Port Cover
| Dust Cover Assembly- Jason Happy CamperAR-10 / LR-308 Compact
Pocket Compensator Muzzle Brakes COLOR OPTION:BLACKAR-15/47/9/300 Custom Lightweight Side Cut Billet Upp..
$249.99 $579.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK120 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-120-AR40P/0%200%2025-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK120 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK120 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-120-AR40P/UPK-120-AR40P-BLK-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard | PISTOL UPPER BUILD UPK120 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4" 1:16 Twist Black Nitride Finish - Madein USAAR-15 Mil-Spec UpperReceiver - Made In U.S.AAR-15 4'' Combat ModularM-Lok Handguard "C" Cut - BlackAR-10 / LR-308 A2 StyleBirdcage Muzzle Brake COLOR OPTIONBLACKAR-15 Charging Handle |Latch 01AR-15 Ejection Port Cover| Dust Cover ..
$229.99 $549.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard Option | PISTOL UPPER BUILD UPK119 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-119-AR40P/0%200%2025%20z-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard Option | PISTOL UPPER BUILD UPK119 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard Option | PISTOL UPPER BUILD UPK119 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-119-AR40P/0%202%2025%20%20z-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard Option | PISTOL UPPER BUILD UPK119 [ASSMBLED]")
-57 %
AR-40/ 40 S&W 4" 1:16 Twist Black Nitride Finish - Made
in USAAR-15 Billet Stripped Mod
1 Upper Receiver - Made In U.S.AAR-15 Charging Handle|
Spider and WebAR-15 Ejection Port Cover
| Dust Cover Assembly- Spider WebAR-10 / LR-308 A2 StyleBirdcage Muzzle Brake HANDGUARD OPTIONAR-15 Angl..
$259.99 $599.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard M Lok | PISTOL UPPER BUILD UPK118 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-118-AR40P/UPK-118-AR40P-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard M Lok | PISTOL UPPER BUILD UPK118 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard M Lok | PISTOL UPPER BUILD UPK118 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-118-AR40P/UPK-118-AR40P-BLK-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard M Lok | PISTOL UPPER BUILD UPK118 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4" 1:16 Twist Black Nitride Finish - Made
in USAAR-15 Charging Handle | Latch 01AR-15 Ejection Port Cover | Dust Cover Assembly- Skull Stay SpookyAR-10 / LR-308 A2 Style Birdcage Muzzle Brake COLOR OPTION:BLACKAR-15/47/9/300 Custom Lightweight Side Cut Billet Upper Receiver -..
$239.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard M Lok | PISTOL UPPER BUILD UPK117 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-117-AR40P/0%200%2025-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard M Lok | PISTOL UPPER BUILD UPK117 [ASSMBLED]")
![AR-40/ 40 S&W 4" Barrel 4" Handguard M Lok | PISTOL UPPER BUILD UPK117 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-117-AR40P/1%201%2025-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard M Lok | PISTOL UPPER BUILD UPK117 [ASSMBLED]")
-58 %
Out Of Stock
AR-40/ 40 S&W 4"
1:16 Twist Black Nitride Finish - Made in USAAR-15 Charging Handle |
Latch 01AR-15 Ejection Port Cover
| Dust Cover Assembly- American Flag Laser EtchedForward Assist Complete
Mil Spec AssemblyAR-10 / LR-308Flash Can Muzzle Brake Aluminum V.2 COLOR OPTION:BLACKAR-15 Mil..
$229.99 $549.99
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