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

The AR-STONER 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 provides a solid fit and reliable function. The A2 front sight measures 2.25 inches high from the base of the gas line, making it suitable for co-witnessing. A bayonet lug allows attachment of your bayonet. This gas block is designed for AR-pattern barrels with a 0.750 inch diameter.