AR15 BARREL 5.56NATO 20IN A2 HEAVY BUSHMASTER
DPMS AR-15 20" heavy barrel marked "BFI 5.56 NATO 1/9"
Includes A2 front sight gas block with bayonet lug, barrel nut and triangular handguard cap installed
Requires Rifle Length Gas Tube (not included)
Threaded 1/2x28 TPI
No sling swivel is included.