AR15 BARREL 556 16IN SOCOM HEAVY CHROME BORE BUSHMASTER
Bushmaster AR-15 16" SOCOM heavy profile barrel marked "BFI 5.56 NATO 1/9"
Chrome Lined Bore
Includes A2 gas block front sight with bayonet lug, barrel nut and triangular handguard cap installed
Requires Mid Length Gas Tube (not included)
Threaded 1/2x28 TPI