Quote Originally Posted by Bang View Post
Weld metal to the rear of the bolt lugs, then dress them down to correct headspace. Calls for correct metal rod, heat-treating, et cetera. Probably makes it not worth it. Sell it to Hollywood as a prop gun.
NEVER DO THAT. It only takes pressing the barrel in a touch and drilling to a larger pin. Worst case rebarrel which isn't too hard either.