I have a .300 blackout with 16 inch barrel running an omega 300 on it. It was cycling supersonic fine but wouldn’t cycle subsonic. Now I have run into the problem where it won’t cycle supers. This gun has turned into a single shot have to rack after every shot. I’ve taken it apart and cleaned it.
What should I do? It ejects the shells when racking the gun. So is it a gas problem? If so why was it running supers fine than it stop cycling.
What should I do? It ejects the shells when racking the gun. So is it a gas problem? If so why was it running supers fine than it stop cycling.