Originally Posted by tacxplosion
Find the obstruction and sand it down?
If balls are getting stuck when you feed them with no bolt in place, that's the first thing to take care of. Do you feel any obstruction with your finger? Do you see anything when you look through the body (front to back, back to front with no bolt or barrel in place)?
Paint should drop freely by gravity alone. If it's doesn't, there's a physical obstruction that needs to be corrected.