Ballistic Advantage - Modern Series Barrels | 5.56 NATO

This 5.56 chambered 10.5 inch Government Profile Modern Series Barrel is machined from 4150 Chrome Moly Vanadium 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.

Features :

• Length: 10.5";"Material: 4150 Chrome Moly Vanadium,
• Profile: Government
• Finish: QPQ Corrosion Resistant
• Gas System Length: Carbine
• ,Gas Block Journal: .750";"Twist Rate: 1:7 inches,
• Muzzle: 1/2x28 Threaded
• Weight: 19 oz