Ballistic Advantage 5.56x45mm Barrel, 18″ Black, For AR-15

Ballistic’s Modern Series SPR Rifle Length AR 15 barrel is machined from 4150 chrome moly vanadium steel with a QPQ corrosion resistant finish and QPQ coated M4 feed ramp extension.. This 18″ model is chambered in 5.56 NATO, has a SPR rifle length gas system and 1/2×28 tpi threads. It features a longer .750″ profile dimension necessary for proper installation of the OPS Inc 12th model collar and suppressor.. Category. :. Extra Barrels. Caliber or Gauge. :. 223 Remington/5.56 NATO. Length. :. 18″. Model. :. AR-15. Sights. :. None. Finish. :. Black. Type. :. Rifle