Ballistic Advantage Low Profile Gas Block Features The Ballistic Advantage Low Profile Gas Block is machined to fit a .750 inch barrel making it a direct fit for the vast majority of AR15 barrels on the market. Its low profile design allows the gas block to sit fully concealed beneath a free float handguard keeping the upper s exterior clean and snag free. The black Melonite finish adds corrosion resistance and wear resistance helping the gas block hold up to the heat and pressure cycling that comes with every shot fired through the system. Ballistic Advantage builds the gas block to the same tight tolerances used across their AR parts and barrels ensuring reliable gas system function. Installation is straightforward for anyone building or upgrading an AR15 upper though a roll pin is required and not included with the gas block. Made in the USA the gas block reflects Ballistic Advantage s reputation for parts that exceed the demands of competition and duty use alike. Builders looking to fine tune their gas system or replace a damaged factory gas block will find this a dependable precisely made option. The Ballistic Advantage Low Profile Gas Block is a solid foundation piece for sale at GrabAGun for any AR15 build. Ballistic Advantage Low-Profile Gas Block Specifications Manufacturer: Ballistic Advantage Model: Low-Profile Gas Block Type: Gas Block Compatible Hosts: AR-15 .750 Barrel Color: Black Finish: Melonite Available At: GrabAGun