Product Description
Green Mountains AR-15 barrels are simple, reliable, and accurate - great for replacing a shot out barrel, custom AR-15 builds, or upgrading a factory rifle. These barrels are made from 41V50 milspec steel, 5.56mm NATO chambered, with M4 extension. Green Mountain AR15 rifle barrels are also thermo-stressed relieved and have chromed bore/chamber, and parkerized finish for optimum performance and durability.
Specs
- Length: 16"
- Caliber: 5.56mm NATO
- Twist Rate: 1:7 twist
- M4 feed ramps
- Material: 41V50 milspec
- Rifling: button rifled
- Thermo stress relieved & precision air gaged
- Chromed bore and chamber
- Gas System: Carbine length
- .750" gas block
- Drilled exhaust port
- Muzzle: threaded 1/2x28
- Phosphate finish
- Weight 1.85 lbs
- Barrel is not pinned for front sight.
