![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| PISTOL SIDE CHARGING UPPER BUILD UPK141 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-141-AR15P-SIDE-CHARGING/0%2092%20UPK-141-AR15P-SIDE-CHARGING-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| PISTOL SIDE CHARGING UPPER BUILD UPK141 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| PISTOL SIDE CHARGING UPPER BUILD UPK141 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-141-AR15P-SIDE-CHARGING/2%2024-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| PISTOL SIDE CHARGING UPPER BUILD UPK141 [ASSEMBLED]")
New
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7" 5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made in U.S.AAR-15 Complete Side Charging Upper Receiver Assembly | Made in USALow-Profile Micro Steel AR Gas Block.750 + Stainless Steel Gas Tube - Pistol Length [Assembled]AR-15/.223/5.56 Birdcage Muzzle Brake W/ Crush WasherOption..
$299.99 $629.99
![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%2094%20UPK-232-AR15P-SIDE-CHARGING-1000x1000.jpg "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]")
New
-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 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK223 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-223-AR15C-SIDE-CHARGING/UPK-223-AR15C-SIDE-CHARGING-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK223 [ASSEMBLED]")
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK223 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-223-AR15C-SIDE-CHARGING/UPK-223-AR15C-SIDE-CHARGING-10-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK223 [ASSEMBLED]")
New
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AR-15 COMPLETE SIDE CHARGING UPPERRECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GAS BLOCK.750+ STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE GOLD | AR-15/.223/5.56 MULTIPORTED COMPENSATOR UPSILON MUZZLE BRAKE | MBR04D-GLD+TL223..
$329.99 $699.99
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK224 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-224-AR15C-SIDE-CHARGING/UPK-224-AR15C-SIDE-CHARGING-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK224 [ASSEMBLED]")
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK224 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-224-AR15C-SIDE-CHARGING/UPK-224-AR15C-SIDE-CHARGING-10-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK224 [ASSEMBLED]")
New
-53 %
AR-15 COMPLETE SIDE CHARGING UPPERRECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GAS BLOCK.750+ STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE HUNTER ORANGE | AR-15/.223/5.56 MULTIPORTED COMPENSATOR UPSILON MUZZLE BRAKE | MBR04D-ORG+TL223..
$329.99 $699.99
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK225 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-225-AR15C-SIDE-CHARGING/UPK-225-AR15C-SIDE-CHARGING-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK225 [ASSEMBLED]")
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK225 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-225-AR15C-SIDE-CHARGING/UPK-225-AR15C-SIDE-CHARGING-10-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK225 [ASSEMBLED]")
New
-53 %
AR-15 COMPLETE SIDE CHARGING UPPERRECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GAS BLOCK.750+ STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE BRIGHT WHITE | AR-15/.223/5.56 MULTIPORTED COMPENSATOR UPSILON MUZZLE BRAKE | MBR04D-WHI+TL223..
$329.99 $699.99
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK226 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-226-AR15C-SIDE-CHARGING/UPK-226-AR15C-SIDE-CHARGING-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK226 [ASSEMBLED]")
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK226 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-226-AR15C-SIDE-CHARGING/UPK-226-AR15C-SIDE-CHARGING-10-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK226 [ASSEMBLED]")
New
-53 %
AR-15 COMPLETE SIDE CHARGING UPPERRECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GAS BLOCK.750+ STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE ROBINS EGG | AR-15/.223/5.56 MULTIPORTED COMPENSATOR UPSILON MUZZLE BRAKE | MBR04D-RGB+TL223..
$329.99 $699.99
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK227 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-227-AR15C-SIDE-CHARGING/UPK-227-AR15C-SIDE-CHARGING-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK227 [ASSEMBLED]")
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK227 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-227-AR15C-SIDE-CHARGING/UPK-227-AR15C-SIDE-CHARGING-10-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK227 [ASSEMBLED]")
New
-53 %
AR-15 COMPLETE SIDE CHARGING UPPERRECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GAS BLOCK.750+ STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE RED | AR-15/.223/5.56 MULTIPORTED COMPENSATOR UPSILON MUZZLE BRAKE | MBR04D-RED+TL223..
$329.99 $699.99
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK228 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-228-AR15C-SIDE-CHARGING/UPK-228-AR15C-SIDE-CHARGING-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK228 [ASSEMBLED]")
![AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK228 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-228-AR15C-SIDE-CHARGING/UPK-228-AR15C-SIDE-CHARGING-10-1000x1000.png "AR-15 16'' BARREL W/ HANDGUARD SIZE OPTION | SIDE CHARGING UPPER BUILD UPK228 [ASSEMBLED]")
New
-53 %
AR-15 COMPLETE SIDE CHARGING UPPERRECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GAS BLOCK.750+ STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE PINK | AR-15/.223/5.56 MULTIPORTED COMPENSATOR UPSILON MUZZLE BRAKE | MBR04D-PNK+TL223..
$329.99 $699.99
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK217 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-217-AR15P-SIDE-CHARGING/UPK-217-AR15P-SIDE-CHARGING-1000x1000.png "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK217 [ASSEMBLED]")
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK217 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-217-AR15P-SIDE-CHARGING/UPK-217-AR15P-SIDE-CHARGING-A-1000x1000.jpg "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK217 [ASSEMBLED]")
New
-53 %
10.5" 5.56 NATO 1:7 TWISTPARKERIZED PISTOL BARREL | BRPIS-10PAR-15 COMPLETE SIDE CHARGINGUPPER RECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE GRADIENT GOLD | AR-15 10'' ANGLE CUT CLAMP ON M-L..
$319.99 $679.99
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK218 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-218-AR15P-SIDE-CHARGING/UPK-218-AR15P-SIDE-CHARGING-1000x1000.png "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK218 [ASSEMBLED]")
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK218 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-218-AR15P-SIDE-CHARGING/UPK-218-AR15P-SIDE-CHARGING-A-1000x1000.jpg "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK218 [ASSEMBLED]")
New
-53 %
10.5" 5.56 NATO 1:7 TWISTPARKERIZED PISTOL BARREL | BRPIS-10PAR-15 COMPLETE SIDE CHARGINGUPPER RECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE GRADIENT HUNTER ORANGE | AR-15 10'' ANGLE CU..
$319.99 $679.99
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK219 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-219-AR15P-SIDE-CHARGING/UPK-219-AR15P-SIDE-CHARGING-1000x1000.png "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK219 [ASSEMBLED]")
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK219 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-219-AR15P-SIDE-CHARGING/UPK-219-AR15P-SIDE-CHARGING-A-1000x1000.jpg "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK219 [ASSEMBLED]")
New
-53 %
10.5" 5.56 NATO 1:7 TWISTPARKERIZED PISTOL BARREL | BRPIS-10PAR-15 COMPLETE SIDE CHARGINGUPPER RECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE GRADIENT BRIGHT WHITE | AR-15 10'' ANGLE CUT..
$319.99 $679.99
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK220 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-220-AR15P-SIDE-CHARGING/UPK-220-AR15P-SIDE-CHARGING-1000x1000.png "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK220 [ASSEMBLED]")
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK220 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-220-AR15P-SIDE-CHARGING/UPK-220-AR15P-SIDE-CHARGING-A-1000x1000.jpg "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK220 [ASSEMBLED]")
New
-53 %
10.5" 5.56 NATO 1:7 TWISTPARKERIZED PISTOL BARREL | BRPIS-10PAR-15 COMPLETE SIDE CHARGINGUPPER RECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE GRADIENT ROBINS EGG | AR-15 10'' ANGLE CUT C..
$319.99 $679.99
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK221 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-221-AR15P-SIDE-CHARGING/UPK-221-AR15P-SIDE-CHARGING-1000x1000.png "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK221 [ASSEMBLED]")
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK221 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-221-AR15P-SIDE-CHARGING/UPK-221-AR15P-SIDE-CHARGING-A-1000x1000.jpg "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK221 [ASSEMBLED]")
New
-53 %
10.5" 5.56 NATO 1:7 TWISTPARKERIZED PISTOL BARREL | BRPIS-10PAR-15 COMPLETE SIDE CHARGINGUPPER RECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE GRADIENT RED | AR-15 10'' ANGLE CUT CLAMP ON..
$319.99 $679.99
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK222 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-222-AR15P-SIDE-CHARGING/UPK-222-AR15P-SIDE-CHARGING-1000x1000.png "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK222 [ASSEMBLED]")
![AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK222 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-222-AR15P-SIDE-CHARGING/UPK-222-AR15P-SIDE-CHARGING-A-1000x1000.jpg "AR-15 10'' BARREL W/ 10'' HANDGUARD | SIDE CHARGING UPPER BUILD UPK222 [ASSEMBLED]")
New
-53 %
10.5" 5.56 NATO 1:7 TWISTPARKERIZED PISTOL BARREL | BRPIS-10PAR-15 COMPLETE SIDE CHARGINGUPPER RECEIVER ASSEMBLY | URSBCG-ARLOW-PROFILE MICRO STEEL AR GASBLOCK.750 + STAINLESS STEEL GAS TUBE - CARBINE LENGTH [ASSEMBLED] | GTCGB-WLCERAKOTE GRADIENT PINK | AR-15 10'' ANGLE CUT CLAMP O..
$319.99 $679.99
![AR-15 .223/5.56 16" Barrel Handguard M Lok Lenth Option| SIDE CHARGING UPPER BUILD UPK142 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-142-AR15C-SIDE-CHARGING/0%2024-1000x1000.png "AR-15 .223/5.56 16\" Barrel Handguard M Lok Lenth Option| SIDE CHARGING UPPER BUILD UPK142 [ASSEMBLED]")
![AR-15 .223/5.56 16" Barrel Handguard M Lok Lenth Option| SIDE CHARGING UPPER BUILD UPK142 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-142-AR15C-SIDE-CHARGING/FML-TC-R-2-1000x1000-1000x1000.jpg "AR-15 .223/5.56 16\" Barrel Handguard M Lok Lenth Option| SIDE CHARGING UPPER BUILD UPK142 [ASSEMBLED]")
New
-53 %
AR-15 Complete Side Charging Upper Receiver Assembly | Made in USALow-Profile Micro Steel AR Gas Block.750 + Stainless Steel Gas Tube - Pistol Length [Assembled]AR-15/.223/5.56 Birdcage Muzzle Brake W/ Crush WasherOptions16" 5.56 Nato 1:7 Twist Parkerized Barrel | Carbine Length Gas..
$329.99 $699.99
![AR-15 16'' Stainless Barrel W/ 10'' 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-61-AR15C-SIDE-CHARGING/1a-1000x1000.png "AR-15 16'' Stainless Barrel W/ 10'' 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]")
![AR-15 16'' Stainless Barrel W/ 10'' 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-61-AR15C-SIDE-CHARGING/2a-1000x1000.png "AR-15 16'' Stainless Barrel W/ 10'' 12'' 15'' M-LOK Handguard option | Side Charging Upper Build UPK61 [ASSEMBLED]")
-53 %
FMLUS-D | Handguard OptionAR-15 Angle Cut Clamp on M-LOK Handguard 10'' 12" 15" | Made in U.S.A.16'' 5.56 NATO 1:8 Twist Stainless Steel Barrel | Made in U.S.A AR-15 10 Baffles Muzzle Brake W/Crush WasherAR-15 Complete Side Charging Upper Receiver Assembly | Made in USAAR-15 L..
$329.99 $699.99
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