- Chambered for 7.62x39mm
- 1 in 10" Twist
- 16" Barrel
- Heavy Contour
- Manufactured from 4140 Chrome Moly Steel
The AR-STONER™ 7.62x39mm Barrel is excellent for this potent and versatile cartridge. Chambered in 7.62x39mm (.308 diameter) and manufactured from 4140 Chrome Moly Steel, this 1 in 10” Twist, heavy contour barrel gives you high quality at a great value. Additional features include a carbine-length gas system, M4 feed ramps and a 5/8”-24 threaded muzzle. The barrel extension and locator pin are both included and installed at the factory.