Lantac

The LANTAC GB750S ultra low profile gas block is manufactured to the highest quality standards. The GB750S is designed to fit .750 diameter gas pad barrels and uses a 2 set screw design to securely retain the block in position. It comes complete with, 10-32x.125" set screws and gas tube roll pin. It will place the gas port hole at the correct .295" position from the shoulder.