Rock River Arms AR0598.V1 LAR15M All Terrain Hunter Complete Upper 223 Wylde 18 Stainless Heavy Match Barrel Black Rec13 MLOK Handgaurd Operate Muzzle Brake

CALIBER:.223 WYLDE CHAMBER FOR 5.56MM AND .223 CALIBERUPPER RECEIVER:FORGED A4BARREL:18INCH HEAVY MATCH STAINLESS STEEL CRYOGENICALLY TREATED 1:8 TWISTMUZZLE DEVICE:RRA OPERATOR MUZZLE BREAK 1228 THREADGAS BLOCK:LOW PROFILE GAS BLOCKHANDGUARD:RRA 13 INCH EXTENDED LIGHTWEIGHT FREE FLOAT RAIL MLOK COMPATIBLEINCLUDES:BOLT CARRIER GROUP AND CHARGING HANDLE ASSEMBLY.