![AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-11-AR15P/1ac-1000x1000.png "AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]")
![AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-11-AR15P/2ac-1000x1000.png "AR-15 5.56 10.5'' Barrel W/ 10'' 12'' Handguard option | Pistol Upper Build UPK11 [ASSEMBLED]")
-46 %
FML-R-C 10" 12" | Handguard OptionAR-15 Combat Modular M-Lok Handguard "C" Cut - BlackFFAR-O 10" 12" | Handguard OptionAR-15 Extended Length One Piece Free Float HandguardFAR- 10" 12" | Handguard OptionAR-15 Free Float Quad Rail HandguardFKM-SBNV2 10" 12"&nb..
$249.99 $459.99
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/0%201%2024-1000x1000.png "AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]")
![AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-5-AR15C/4d-1000x1000.jpg "AR-15 5.56 16'' Barrel W/ 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK5 [ASSEMBLED]")
-46 %
HANDGUARD OPTIONAR-15 12'' Combat ModularM-Lok Handguard "C" Cut - BlackAR-15 12'' M-LOK SuperSlim Free Float Handguard with Steel Barrel Nut - Made in U.S.AAR-15 12'' Angle CutClamp on M-LOK Handguard - Made in U.S.AAR-15 12'' M-LOK SlimProfile Free Float Handguard – Black - Made in U.S.AAR-15 12''..
$249.99 $459.99
![AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-2-AR15C/1d-1000x1000.png "AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]")
![AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-2-AR15C/2d-1000x1000.png "AR-15 5.56 16'' Barrel W/ 10'' 12'' 15'' Keymod Handguard option | Carbine Upper Build UPK2 [ASSEMBLED]")
-45 %
FKM-SBNV2 |
Handguard AR-15 Ultra Slim Key-mod Handguards V2 W/ Steel Barrel Nut| 10" 12"FML-D |
Handguard AR-15 Combat M-Lok Handguard - Black| 10" 12"AR-15 1/2x28 Birdcage Muzzle Brake W/Crush
WasherAR-15 Mil-Spec Upper Receiver | Made in U.S.A...
$229.99 $419.99
![AR-15 .223 Wylde 18'' Stainless Steel Barrel 12'' 15” Key Mod Handguards| CARBINE UPPER BUILD UPK91 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-91-AR15C/00%2025-1000x1000.png "AR-15 .223 Wylde 18'' Stainless Steel Barrel 12'' 15” Key Mod Handguards| CARBINE UPPER BUILD UPK91 [ASSEMBLED]")
![AR-15 .223 Wylde 18'' Stainless Steel Barrel 12'' 15” Key Mod Handguards| CARBINE UPPER BUILD UPK91 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-91-AR15C/0%2025%2012-1000x1000.png "AR-15 .223 Wylde 18'' Stainless Steel Barrel 12'' 15” Key Mod Handguards| CARBINE UPPER BUILD UPK91 [ASSEMBLED]")
-50 %
AR-15 .223 Wylde 18" 416R SS Heavy Barrel - 1:8 Twist - Mid-Length Gas System | Made In U.S.AAnderson
Manufacturing AR-15 Stripped Upper Receiver| Made in U.S.AAR-15Charging Handle CH223 AR-15
Ejection Port Dust Cover Engraving - MARINESForward
..
$269.99 $539.99
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK138 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-138-AR15C/0%201%2025-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK138 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK138 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-138-AR15C/0%202%2025-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK138 [ASSEMBLED]")
-57 %
AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK138 [ASSEMBLED]
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A.750 Low Profile MicroGas Block And Silver Carbine Length Gas Tube [Assembled]AR-15 .223 5.56 Nato Steel Shark Muzzle Brake 1/2x28Pitch Thread W/Crush WasherCERAKOTE Hunter Orange| AR-15 Charging Handle 01CERAKOTE Hunter Orange| AR-..
$249.99 $579.99
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK139 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-139-AR15C/1-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK139 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK139 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-139-AR15C/2-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK139 [ASSEMBLED]")
-57 %
AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK139 [ASSEMBLED]
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A.750 Low Profile MicroGas Block And Silver Carbine Length Gas Tube [Assembled]CERAKOTE Bright White| AR-15 .223 5.56 Nato Steel Shark Muzzle Brake 1/2x28Pitch Thread W/Crush WasherCERAKOTE Bright White| AR-15 Charging Handle 01CERAK..
$249.99 $579.99
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK241 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-241-AR15C/1-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK241 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK241 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-241-AR15C/2-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK241 [ASSEMBLED]")
-57 %
AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK241 [ASSEMBLED]
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A.750 Low Profile MicroGas Block And Silver Carbine Length Gas Tube [Assembled]CERAKOTE LEMON ZEST OPTION| AR-15/.223/5.56 Nato Steel Shark Muzzle Brake 1/2x28 Pitch Thread W/Crush WasherCERAKOTE LEMON ZEST | AR-15 Charging HandleCER..
$249.99 $579.99
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK242 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-242-AR15C/1-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK242 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK242 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-242-AR15C/2-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK242 [ASSEMBLED]")
-57 %
AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK242 [ASSEMBLED]
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A.750 Low Profile MicroGas Block And Silver Carbine Length Gas Tube [Assembled]CERAKOTE ZOMBIE GREEN| AR-15 .223 5.56 Nato Steel Shark Muzzle Brake 1/2x28Pitch Thread W/Crush WasherCERAKOTE ZOMBIE GREEN| AR-15 Charging Handle 01CERAK..
$249.99 $579.99
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK78 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-78-AR15C/1D-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK78 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK78 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-78-AR15C/2D-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK78 [ASSEMBLED]")
-57 %
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A.750 Low Profile MicroGas Block And Silver Carbine Length Gas Tube [Assembled]CERAKOTE RED|AR-15 .223 5.56 Nato Steel Shark Muzzle Brake 1/2x28Pitch Thread W/Crush WasherCERAKOTE RED| AR-15 Charging Handle 01CERAKOTE RED| AR-15 Ejec..
$249.99 $579.99
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK79 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-79-AR15C/1D-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK79 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK79 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-79-AR15C/2D-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK79 [ASSEMBLED]")
-57 %
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A.750 Low Profile MicroGas Block And Silver Carbine Length Gas Tube [Assembled]CERAKOTE PINK| AR-15 .223 5.56 Nato Steel Shark Muzzle Brake 1/2x28Pitch Thread W/Crush WasherCERAKOTE PINK| AR-15 Charging Handle 01CERAKOTE PINK| AR-15 ..
$249.99 $579.99
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK80 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-80-AR15C/1D-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK80 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK80 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-80-AR15C/2D-1000x1000.png "AR-15 .223/5.56 16\" Barrel W/ M Lok Handguard Length Options| Carbine Upper Build UPK80 [ASSEMBLED]")
-57 %
Anderson Manufacturing AR-15 Stripped Upper Receiver | Made in U.S.A.750 Low Profile MicroGas Block And Silver Carbine Length Gas Tube [Assembled]CERAKOTE ROBINS EGG| AR-15 .223 5.56 Nato Steel Shark Muzzle Brake 1/2x28Pitch Thread W/Crush WasherCERAKOTE ROBINS EGG| AR-15 Charging Handle 01CERAKOTE ..
$249.99 $579.99