Barrel bending.Here;s a jug made out of 1,1/4 square box tubing', straight edge,pump jack,dial indacator.Here are some pics. to give ya a idea?i no your thinken just chuck it up in a lath and hit it up with a dial indicator? But not every guy has a lath in his garage?This one had to be bent from left to right."O" i did have to take the lawyer spring out and replace it in the trigger spring.Spell police let the people read it and look at the picture a little before ya come in here?