ABC RIFLE COMPANY AR-15/AR-10 Low Profile Steel Gas Block Gas Tube Assembly, .750 in Gas Block, Black, Rifle Length, Black, UPK-GTRBGB750

750in diameter perfectly suited for most modern AR-15 barrels. Paired with a 416R stainless steel carbine-length gas tube this setup ensures reliable gas flow and long-lasting durability. The black nitride finish enhances corrosion resistance and surface hardness.