"10.5" 5.56 Government Profile Carbine Length AR 15 Barrel, Modern Series (OEM ENGRAVING)

"10.5" 5.56 Government Profile Carbine Length AR 15 Barrel, Modern Series (OEM ENGRAVING)\n\nThis 5.56 chambered 10.5 inch Government Profile AR-15 barrel is machined from CrMoV steel with a QPQ corrosion resistant finish and QPQ coated M4 feed ramp extension. All NFA/ATF rules apply. You may use this barrel with a lower receiver that is a Registered SBR, Machine Gun, or Pistol. Possession of this barrel along with a Non-NFA lower receiver is Prohibited, except when installed on a Pistol configuration firearm.\n\nMore Information\n- SKU: BABL556005MO\n- Length: 10.5 inches\n- Material: Chrome Moly Vanadium\n- Profile: Government\n- Finish: QPQ Corrosion Resistant\n- Twist Rate: 1/7 inch\n- Gas Block Journal: .750\n- Muzzle: 1/2x28 Threaded