Product Description
Our 5.56 barrels are manufactured from 4150 11595E Steel. For AR Carbines, they use 1/7 twist to ensure stabilization across all grains of 5.56 loadings. Further, they feature QPQ nitride coating for superior corrosion resistance and longevity. Bore has been nitride finished. Muzzles have ½”x28 threads, FSB is pinned after coating to prevent corrosion. The barrel extension is a M4 ramped. The pins are loose so you can easily put your handguard parts on.
- Caliber- 5.56 NATO
- Twist Rate- 1/7
- Length- 8"
- Finish- Nitride
- Bore- Nitride
- Profile- .750 Gov
- Gas Block OD- .750+-.001
- Steel Type- 41V50
- Thread Pitch- 1/2x28
