10.5" Pistol Barrel 1 in 7 Twist Chrome Moly Steel in 5.56 Black Nitride Treated (Melonite)
This is a premium grade 10.5" 4150 Steel pistol barrel by Delta Tool. Delta Tool is a US Military sub-contractor facility. These barrels are marked " 5.56 NATO 1/7 "
1 in 7 twist, gas port drilled and set up for carbine length gas system with a .750 gas block diameter.
Any standard 1/2x28 compensator will fit on the end.
Barrel Extension in rear with the newest standard M4 feed ramps.
Contour profile for reduced weight without compromising stiffness.
Barrel is chambered in 5.56x45 for both commercial .223 Remington or 5.56 rounds.
NEW 10.5" 5.56×45mm Pistol Barrel 1:7 Twist made in USA
Heat Treated 4150 Chrome Moly Barrel