If your putting a stick feed on it you might just want to cut it off and leave the throat in the body. Removing it gives a ton of wiggle room in the breach. If its centerfeed it will expose detent threads on threaded detent bodies. If its right feed it will be a large mishapen breach with a small chance to punch paint in.
TopGun GSP (Garden State Pump)
Theres no me in suck but there is always u