New fully-machined forged front sight base with bayonet lug, square post front sight, sling swivel and black finish. Originally manufactured for installation on CMMG barrels. For heavy barrels with a .750" OD. Taper pins and gas tube pins are not included.
U.S. MILITARY | M16, M4 CARBINE
AR | AR15, M4 CARBINE
U.S. MILITARY | M4 CARBINE
AR | AR15
AR | AR 15, M4 CARBINE
AR | AR15, CAR15, AR15 SPORTER, AR15-A1, AR15-A2, AR15-A2 FLAT TOP, M4 CARBINE