- 4150 CMV Melonite
- QPQ Corrosion Resistant Finish
- QPQ M4 Feed Ramps Extension
- Carbine Gas
- Pinned F-Mark Front Site Base
- 1/7 Twist
- 1/2x28 Muzzle Thread
- .750 Gas Block Journal
- WEIGHT - 29.02 OUNCES
(OVERALL LENGTH IS 16.5 INCHES)