AR-STONER A2 Front Sight Gas Block AR-15, LR-308 0.750" Matte Black

The AR-STONER(TM) A2 Front Sight Gas Block is ready for installation on your AR-15, LR-308 Rifle. Made of steel to strict military specifications, this A2 Gas Block has an excellent fit and functions reliably. The A2 Front Sight measures 2.25" high from the base of the gas line making it great for co-witnessing your rifle and the bayonet lug allows you to properly attach your favorite bayonet. Upgrade your AR or start a new build with this AR-STONER(TM) A2 Front Sight Gas Block.Note: Installation requires drilling of the sight and barrel for taper pins. Gunsmith installation recommended. Sight does not include sight post, spring or detent. FeaturesClassic A2 DesignBayonet LugFits AR-15, LR-308 RiflesDurable Parkerized FinishF-Marked