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![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%2018%20UPK-117-AR40P-1000x1000.jpg "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/UPK-117-AR40P-BLK-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard M Lok | PISTOL UPPER BUILD UPK117 [ASSMBLED]")
New
-58 %
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-308 Compact
Muzzle Brake 5/8"x24 Pitch w/ Crush Washer (Made In USA) V..
$229.99 $549.99
![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/0%2016%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/1-1000x1000.png "AR-40/ 40 S&W 8\" Barrel 7\" Handguard M Lok | PISTOL UPPER BUILD UPK109 [ASSMBLED]")
New
-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 Pine Cone
Muzzle Brake Version 2 COLOR OPTION:BLACKAR-15 Mil..
$229.99 $549.99
![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-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-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-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-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-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-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-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-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-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-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 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 |..
$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-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 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 %
Out Of Stock
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 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 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/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 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]")
-56 %
AR-15 Red Stripped Upper Receiver | Made In USA|AR-15 Charging Handle | Latch Option 01AR-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 bra..
$249.99 $569.99
![AR-40/ 40 S&W 4" Barrel 4" Handguard | PISTOL UPPER BUILD UPK120 [ASSMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-120-AR40P/UPK-120-AR40P-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]")
New
-58 %
AR-40/ 40 S&W 4" 1:16 Twist Black Nitride Finish - Made
in USAAR-15 Mil-Spec Upper
Receiver - Made In U.S.AAR-15 4'' Combat Modular
M-Lok Handguard "C" Cut - BlackAR-10 / LR-308 A2 Style
Birdcage Muzzle Brake COLOR OPTIONBLACKAR-15 Charging Handle |
Latch 01AR-15 Ejection Port 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/UPK-119-AR40P-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/UPK-119-AR40P-FSSM04V2-1000x1000.png "AR-40/ 40 S&W 4\" Barrel 4\" Handguard Option | PISTOL UPPER BUILD UPK119 [ASSMBLED]")
New
-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 Rifle
Multi Ported Flash Suppressor Muzzle Brake HANDGU..
$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]")
New
-58 %
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
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