Description
Product
MCS AR-15 16″ 5.56mm 1:7 Twist M4 4150 Barrel – Rainbow PVD Coated
- 4150 Chromoly Steel
- 5.56/.223 Chambered in 5.56×45
- 1:7 Twist
- 1/2 by 28 Thread
- M4 Contour Profile
- Markings Spiral Engraved Near Break
- .750 Gas Platform System
- Matte Rainbow PVD(Physical Vapor Deposition)
- Aesthetic Coating Which Improves Durability & Lubricity
- M4 Feed Ramps
- Mid Length Gas System
