Guntec USA 5.56 16" Carbine Gas .750 1:7 TWIST M4 4150 Nitride Barrel
Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since 1989. Our goal is to distribute excellent quality, at an economical value.
Specifications:
Nitride Coating Improves Durability & Lubricity. Dimpled for set screw gas block. Markings Spiral Engraved Near Break.