Description
- 5.56/.223 Chambered in 5.56×45
- 1:7 Twist
- 1/2×28 threads
- .750 Gas Platform System
- Pistol Length Gas System
- 4150 Chrome moly Steel
- Contour Profile
- M4 Feed Ramps
- Rainbow PVD (Physical Vapor Deposition)
- Black Nitride Coating
- Aesthetic Coating Which Improves Durability & Lubricity
- Markings Spiral Engraved Near Break
