AR Gas Block Fits Standard size .750" AR-15 and AR-10 rifle barrels and it is machined from solid high quality steel with a matte black military type nitride finish. This low-profile gas block was designed to allow an extended handguard to fit over and cover the gas system area of the rifle barrel. This AR-15/AR-10 gas block includes two steel set screws to hold the block in place. compatible with a direct impingement gas system. ATI Limited Lifetime Warranty.
We Recommend AR-15/M16 Gas Block Pinning Jig To Go With This Item # PJGBJ.