Product Description
- 7.5" 5.56 NATO Polygonal Barrel
- Reduces forward escaping gases for increased velocity
- Reduces bullet deformation
- Nitride
- 1-8 twist
- .750" gas block diameter with pistol length gas system
- 4150 chrome moly
- M4 feed ramps
- 1/2x28 threaded
- Made in the USA