![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-BLU----1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-BBR-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-FDE-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-ODG-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-ORG-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-WHI-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-RGB-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-RED-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-PNK-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-LEM-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-ZBG-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-BLU-1000x1000.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/1-2023%20NEW-BCG-N+BCG-NB-BCG-N-HM+BCG-N2-OPTION-ADD-ON-OPTIONAL-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2025%20MB%20OPTIONS/AR-15%20Muzzle%20Brakes%20Option-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/AR15-Laser-Bore-Sight-2024-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-BBR-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-FDE-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-ODG-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-ORG-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-WHI-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-RGB-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-RED-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-PNK-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-LEM-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-ZBG-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-BLU-1000x1000.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
-58 %
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-BLU----800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-BBR-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-FDE-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-ODG-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-ORG-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-WHI-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-RGB-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-RED-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-PNK-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-LEM-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-ZBG-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-2025-BLU-800x800.png "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/1-2023%20NEW-BCG-N+BCG-NB-BCG-N-HM+BCG-N2-OPTION-ADD-ON-OPTIONAL-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/0-NEW-CH-OPTION-ADD-ON-OPTIONAL-2024-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2025%20MB%20OPTIONS/AR-15%20Muzzle%20Brakes%20Option-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%201%20SIGHTS-OPTIONS-2024-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/0%202%20SIGHTS-OPTIONS-2024-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/RIFLE-UPPER-OPTION-PIC/2024%20NOVEMBER%20OPTIONS/AR15-Laser-Bore-Sight-2024-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-BBR-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-FDE-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-ODG-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-ORG-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-WHI-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-RGB-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-RED-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-PNK-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-LEM-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-ZBG-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
![AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]](https://outdoorsportsusa.com/image/cache/catalog/demo/UPK-124-AR15P/UPK-124-AR15P-A-2025-BLU-800x800.jpg "AR-15 .223/5.56 7\" Barrel 7\" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]")
AR-15 .223/5.56 7" Barrel 7" Handguard M Lok| Pistol Upper Build UPK124 [ASSEMBLED]
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- Stock: In Stock
- Model: UPK-124-AR15P
Product Views: 27065
$229.99
$549.99
Available Options
7" 5.56 NATO 1:7 Twist Parkerized Pistol Barrel | Made in U.S.A
AR-15 Charging Handle | Latch Option 01
AR-15 Ejection Port Cover | Dust Cover Assembly- Fear Nothing - Love Everything
Forward Assist Complete Mil Spec Assembly
Low-Profile Micro Steel AR Gas Block.750 + Stainless Steel Gas Tube - Pistol Length [Assembled]
AR-15/.223/5.56 Birdcage Muzzle Brake W/ Crush Washer
Options
BBR
FDE
ODG
RGB
PNK
RED
ORG
WHI
LEMON ZEST
ZOMBIE GREEN
BLUE FLAME
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Tags:
AR15
, 223
, 556
, 7 Inch Barrel
, 7 Inch Handguard
, M Lok
, Pistol
, Upper Build
, UPK124
, ASSEMBLED
, Outdoorsportsusa
,