Rock River Arms SOC0820V1 LAR-15M CLB Complete Upper, 458 SOCOM 16″ Chome Moly Bull Barrel, Black, Aluminum Rec, 13″ M-LOK Handguard, Beast Brake, Fits AR-15

CALIBER:.458 SOCOM CHAMBER, UPPER RECEIVER:FORGED A4, BARREL:16-INCH CHROME MOLY BULL BARREL, 1:14 TWIST, MUZZLE DEVICE:RRA BEAST BRAKE, 5/8×32 THREAD, GAS BLOCK:LOW PROFILE GAS BLOCK, HANDGUARD:RRA LIGHTWEIGHT ALUMINUM FREE FLOAT RAIL, 13 INCH EXTENDED LENGTH, M-LOK COMPATIBLE, INCLUDES:BOLT CARRIER GROUP AND CHARGING HANDLE ASSEMBLY