Ar15 / m16 Gas Key and OCKS gas key screws combo – reliability upgrade kit

Enhance the reliability of your bcg. Standard ar-15 / m4 / m16gas key with optimized carrier key screws from Michiguns. These specialized fasteners have extra grooves on the exterior, allowing for a better hold once the key is properly staked. Don’t want those jokers wobbling loose all Willy nilly after a bunch of rounds!