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![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 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK211 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-211-AR15C/UPK-211-AR15C-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK211 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK211 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-211-AR15C/UPK-211-AR15C%200%2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK211 [ASSMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT GOLD| AR-1515'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | FMLUS-15D-GLD-GRADIENTCERAKOTE GOLD | AR-15 CHARGING HANDLE| CH223-GLD-LATCH-01CERAKOTE GOLD | AR-15 EJECTION PORTCOVER | DUST COVER ASSEMBLY | DC223-GLDLOW..
$279.99 $619.99
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK212 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-212-AR15C/UPK-212-AR15C-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK212 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK212 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-212-AR15C/UPK-212-AR15C%200%2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK212 [ASSMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT HUNTER ORANGE | AR-1515'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | FMLUS-15D-ORG-GRADIENTCERAKOTE HUNTER ORANGE | AR-15 CHARGING HANDLE| CH223-ORG-LATCH-01CERAKOTE HUNTER ORANGE | AR-15 EJECTION POR..
$279.99 $619.99
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK213 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-213-AR15C/UPK-213-AR15C-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK213 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK213 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-213-AR15C/UPK-213-AR15C-0%2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK213 [ASSMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT BRIGHT WHITE | AR-1515'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | FMLUS-15D-WHI-GRADIENTCERAKOTE BRIGHT WHITE | AR-15 CHARGING HANDLE| CH223-WHI-LATCH-01CERAKOTE BRIGHT WHITE | AR-15 ..
$279.99 $619.99
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK214 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-214-AR15C/UPK-214-AR15C-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK214 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK214 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-214-AR15C/UPK-214-AR15C%200%2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK214 [ASSMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT ROBINS EGG | AR-1515'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | FMLUS-15D-RGB-GRADIENTCERAKOTE ROBINS EGG | AR-15 CHARGING HANDLE| CH223-RGB-LATCH-01CERAKOTE ROBINS EGG | AR-15 EJECTI..
$279.99 $619.99
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK215 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-215-AR15C/UPK-215-AR15C-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK215 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK215 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-215-AR15C/UPK-215-AR15C%200%2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK215 [ASSMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT RED | AR-1515'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | FMLUS-15D-RED-GRADIENTCERAKOTE RED | AR-15 CHARGING HANDLE| CH223-RED-LATCH-01CERAKOTE RED | AR-15 EJECTION PORTCOVER | DUST C..
$279.99 $619.99
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK216 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-216-AR15C/UPK-216-AR15C-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK216 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK216 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-216-AR15C/UPK-216-AR15C%200%2024-1000x1000.jpg "AR-15 .223/5.56 16\" BARREL W/ AR-15 15'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | CARBINE UPPER BUILD UPK216 [ASSMBLED]")
-55 %
AR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackCERAKOTE GRADIENT PINK | AR-1515'' ANGLE CUT CLAMP ON M-LOK HANDGUARD | FMLUS-15D-PNK-GRADIENTCERAKOTE PINK | AR-15 CHARGING HANDLE| CH223-PNK-LATCH-01CERAKOTE PINK | AR-15 EJECTION PORTCOVER | DUS..
$279.99 $619.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK205 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-205-AR15C/UPK-205-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK205 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK205 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-205-AR15C/UPK-205-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK205 [ASSMBLED]")
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE GOLD | AR-15 CHARGING HANDLE| CH223-GLD-LATCH-01CERAKOTE GOLD | AR-15 EJECTION PORTCOVER | DUST COVER ASSEMBLY | DC223-GLDCERAKOTE GOLD | FORWARD ASSISTCOMPLETE MIL SPEC ASSEMBLY | ARFA-GLDLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUB..
$269.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK206 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-206-AR15C/UPK-206-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK206 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK206 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-206-AR15C/UPK-206-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK206 [ASSMBLED]")
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE HUNTER ORANGE | AR-15 CHARGING HANDLE| CH223-ORG-LATCH-01CERAKOTE HUNTER ORANGE | AR-15 EJECTION PORTCOVER | DUST COVER ASSEMBLY | DC223-ORGCERAKOTE HUNTER ORANGE | FORWARD ASSISTCOMPLETE MIL SPEC ASSEMBLY | ARFA-ORGLOW-PROFILE MICRO STEEL..
$269.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK207 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-207-AR15C/UPK-207-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK207 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK207 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-207-AR15C/UPK-207-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK207 [ASSMBLED]")
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE BRIGHT WHITE | AR-15 CHARGING HANDLE| CH223-WHI-LATCH-01CERAKOTE BRIGHT WHITE | AR-15 EJECTION PORTCOVER | DUST COVER ASSEMBLY | DC223-WHICERAKOTE BRIGHT WHITE | FORWARD ASSISTCOMPLETE MIL SPEC ASSEMBLY | ARFA-WHILOW-PROFILE..
$269.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK208 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-208-AR15C/UPK-208-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK208 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK208 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-208-AR15C/UPK-208-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK208 [ASSMBLED]")
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE ROBINS EGG | AR-15 CHARGING HANDLE| CH223-RGB-LATCH-01CERAKOTE ROBINS EGG | AR-15 EJECTION PORTCOVER | DUST COVER ASSEMBLY | DC223-RGBCERAKOTE ROBINS EGG | FORWARD ASSISTCOMPLETE MIL SPEC ASSEMBLY | ARFA-RGBLOW-PROFILE MICRO..
$269.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK209 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-209-AR15C/UPK-209-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK209 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK209 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-209-AR15C/UPK-209-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK209 [ASSMBLED]")
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE RED | AR-15 CHARGING HANDLE| CH223-RED-LATCH-01CERAKOTE RED | AR-15 EJECTION PORTCOVER | DUST COVER ASSEMBLY | DC223-REDCERAKOTE RED | FORWARD ASSISTCOMPLETE MIL SPEC ASSEMBLY | ARFA-REDLOW-PROFILE MICRO STEEL AR GASBLOCK.75..
$269.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK210 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-210-AR15C/UPK-210-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK210 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK210 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-210-AR15C/UPK-210-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK210 [ASSMBLED]")
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE PINK | AR-15 CHARGING HANDLE| CH223-PNK-LATCH-01CERAKOTE PINK | AR-15 EJECTION PORTCOVER | DUST COVER ASSEMBLY | DC223-PNKCERAKOTE PINK | FORWARD ASSISTCOMPLETE MIL SPEC ASSEMBLY | ARFA-PNKLOW-PROFILE MICRO STEEL AR GASBLOCK..
$269.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK347 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-347-AR15C/UPK-347-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK347 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK347 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-347-AR15C/UPK-347-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK347 [ASSMBLED]")
New
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE GLACIER SILVER |AR-15 Charging HandleCERAKOTE GLACIER SILVER |AR-15 Ejection Port CoverCERAKOTE GLACIER SILVER |Forward Assist Complete Mil Spec AssemblyLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTC..
$269.99 $599.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK348 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-348-AR15C/UPK-348-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK348 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK348 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-348-AR15C/UPK-348-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK348 [ASSMBLED]")
New
-55 %
AR-15 MIL-SPEC UPPER RECEIVER | 223UPCERAKOTE BLUE FLAME |AR-15 Charging HandleCERAKOTE BLUE FLAME |AR-15 Ejection Port CoverCERAKOTE BLUE FLAME |Forward Assist Complete Mil Spec AssemblyLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOT..
$269.99 $599.99
![AR-15 .223/5.56 10" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK148 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-148-AR15P/0%201%2025-1000x1000.jpg "AR-15 .223/5.56 10\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK148 [ASSMBLED]")
![AR-15 .223/5.56 10" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK148 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-148-AR15P/2-1000x1000.png "AR-15 .223/5.56 10\" Barrel W/ 10'' Handguard |PISTOL UPPER BUILD UPK148 [ASSMBLED]")
-56 %
CERAKOTE SPLATTER| AR-15 MIL-SPEC UPPER RECEIVER -BASE BRIGHT WHITE- PATTERN- RGB-RED-PNK-ORG-LEM-ZBG- MADE IN U.S.A10.5" 5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made In U.S.ALow-Profile Micro Steel AR Gas Block.750 + Stainless Steel Gas Tube - ..
$279.99 $639.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK181 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-181-AR15C/UPK-181-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK181 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK181 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-181-AR15C/UPK-181-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK181 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-WHIAR-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-WLCERAKOTE BRIGHT WHITE |A..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK182 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-182-AR15C/UPK-182-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK182 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK182 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-182-AR15C/UPK-182-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK182 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-ORGAR-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-WLCERAKOTE BLACK |AR-..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK183 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-183-AR15C/UPK-183-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK183 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK183 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-183-AR15C/UPK-183-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK183 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-REDAR-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-WLCERAKOTE RED |..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK184 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-184-AR15C/UPK-184-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK184 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK184 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-184-AR15C/UPK-184-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK184 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-PNKAR-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-WLCERAKOTE PINK ..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK185 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-185-AR15C/UPK-185-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK185 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK185 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-185-AR15C/UPK-185-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK185 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-RGBAR-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-WLCERAKOTE ROBINS EGG..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK243 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-243-AR15C/UPK-243-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK243 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK243 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-243-AR15C/UPK-243-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK243 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-LEMAR-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-WLCERAKOTE ROBINS EGG..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK244 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-244-AR15C/UPK-244-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK244 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK244 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-244-AR15C/UPK-244-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK244 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-ZBGAR-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-WLCERAKOTE ROBINS EGG..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK245 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-245-AR15C/UPK-245-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK245 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK245 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-245-AR15C/UPK-245-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK245 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UP-BBRAR-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-WLCERAKOTE ROBINS EGG..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK246 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-246-AR15C/UPK-246-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK246 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK246 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-246-AR15C/UPK-246-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK246 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UPC-FDEAR-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-WLCERAKOTE ROBINS EG..
$259.99 $609.99
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK247 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-247-AR15C/UPK-247-AR15C-2025-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK247 [ASSMBLED]")
![AR-15 .223/5.56 16" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK247 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-247-AR15C/UPK-247-AR15C-2025-10-1000x1000.png "AR-15 .223/5.56 16\" BARREL W/ HANDGUARD SIZE OPTION | CARBINE UPPER BUILD UPK247 [ASSMBLED]")
-57 %
AR-15 MIL-SPEC UPPER RECEIVER |223UPC-ODAR-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-WLCERAKOTE ROBINS EGG..
$259.99 $609.99
![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-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/1-1000x1000.png "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]")
-54 %
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..
$259.99 $569.99
![AR-15 .223/5.56 16" Barrel W/ 15'' Handguard || Pistol Upper Build UPK99 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-99-AR15C/1-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ 15'' Handguard || Pistol Upper Build UPK99 [ASSMBLED]")
![AR-15 .223/5.56 16" Barrel W/ 15'' Handguard || Pistol Upper Build UPK99 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-99-AR15C/UPK-99-AR15C%200%202024-1000x1000.jpg "AR-15 .223/5.56 16\" Barrel W/ 15'' Handguard || Pistol Upper Build UPK99 [ASSMBLED]")
-56 %
AR-15/.223/5.56 Birdcage Muzzle Brake W/ Crush WasherAR-15/47/9/300 Custom
Lightweight Side Cut Billet Upper Receiver - BlackAR-15 Charging Handle | Latch 01Low-Profile Micro Steel AR Gas Block.750 + Stainless Steel Gas Tube - Carbine Length [Assemb..
$249.99 $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 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----1000x1000.png "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-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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