Phase 5 Tactical Ar-15/M16 5.56 Pistol Barrel

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Chrome-moly steel 7 1/2″ barrel fits standard receivers and lets you build a dedicated AR-15 pistol. Features a 5.56 NATO chamber, button rifling with 1-7″ twist and 1/2″-28 muzzle threads. Military-type M4 feed ramps enhance reliable feeding and the barrel is precision air gauged to ensure high quality. Comes with barrel extension installed. Mfg: Phase 5 Tactical SPECS: 41V50 Chrome-moly steel, matte black finish. 8″ OAL. .750″ O.D. at gas port. 1-7″ twist rifling. 1/2″-28 tpi muzzle threads. All NFA rules apply.