Tiger Rock .750 Low Profile Steel Gas Block with CLAMP-ON. These Rifle Gas Blocks by Tiger Rock clamp directly to receivers without needing to be removed. This .750 steel gas block is small and easy to screw on and off. To ensure your safety the Tiger Rock Gas Block prevents any gas from reaching the .750 port. Easily position this gas block so that it clears the charging handle and prevents any hot gas from saturating the surrounding area. The gas block features an installation tab for easy attachment. Simply slide this little guy onto your .750 threaded bolt and you're on your way. Specifications for Tiger Rock .750 Low Profile Steel Gas Block Clamp On: Manufacturer: Tiger Rock Condition: New Package Contents: Tiger Rock .750 Low Profile Steel Gas Block Clamp On Tiger Rock GB06: .750 Low Profile Steel Gas Block with CLAMP-ON