Premium Grade AR-15 Barrel 16\" Contour, with 1:7 twist 5.56 NATO Mid-Length, Parkerized finish.
Mid-length gas system, .750 gas block diameter, and threaded for comp. Barrel extension installed with M4 feed ramps.
100% American made. Barrels are manufactured from two types of steel:
- 4150 Gun Quality Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved
- 416 Stainless Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved
Threaded barrel, M4 feed ramps, contour profile, Parkerized finish.