Battle Arms Development Ultramatch 10.5" carbine lenght Lightrigid Barrel replaces your current barrel and reduces the weight of the rifle.
.625" Diameter Gas Block
Carbine Gas System
416r SS Matte Finish
Proprietary Lightweight Fluted Contour
Double Stress Relieved
Polished M4 Feed Ramps
Installing this product will subject it to NFA laws and doing so without a license is a felony possession of a Class III firearm. Check your local laws.