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" 5.56mm NATO
- Twist Rate: 1:8 Twist
- M4 feed ramps
- Chrome lined bore and chamber
- Phosphate finish
- Material: 41V50 milspec vanadium steel
- Rifling: Button Rifled
- Thermo-stress relieved & air gaged
- Drilled gas port
- Muzzle: threaded 1/2x28
- Gas System: carbine length
- Weight: 1.8 lbs
- Barrel is not pinned for front site.
