Caliber:5.56 NATO (.223 REM), Barrel Length:16, Barrel Material:4150 CMV, Barrel Finish: Salt Bath Nitride, Barrel Thread Pitch: x 28, Twist Rate:1:7, Gas System: Carbine-Length Gas System, Upper Receiver:7075 Forged A4 Flat Top, Bolt Carrier Group: Salt Bath Nitride Bolt Carrier Group, Bolt: MPI Tested Bolt, Muzzle Device: A2 Birdcage Flash Hider, Proudly Made in U.S.A.
Specifications
| UPC/EAN | 604206201324 |
|---|---|
| Manufacturer Part Number | 0040017BLK |
| Brand | Bushmaster |
| Caliber | 5.56 x 45mm (NATO) |
| Gun Accessories Color/Pattern | Black |





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