The Rock River Arms Rra 450B0461 450 Bm Mid A4 Upper Half Stainless Upper is an upper receiver.
CALIBER:.450 BUSHMASTERUPPER RECEIVER:FORGED A4BARREL:16 INCH STAINLESS STEEL, 1:24 TWIST, CRYOGENICALLY TREATEDMUZZLE DEVICE:RRA OPERATOR BRAKE, 5/8-32 THREADGAS BLOCK:LOW PROFILE GAS BLOCK, MID-LENGTH GAS SYSTEMHANDGUARD:RRA 13 INCH EXTENDED LIGHTWEIGHT FREE FLOAT RAIL, M-LOK COMPATIBLEINCLUDES:BOLT CARRIER GROUP, CHARGING HANDLE ASSEMBLY AND ONE 5 ROUND MAGAZINE
Specifications
- Brand: Rock River Arms
- Barrel Length: 16 in
- Manufacturer Part #: 450B0461
- UPC: 842834124138
