Originally Posted by picketpin
ctious, i made a couple dummies and on and off today I have had time to do a little lapping. It looks like it will settle in with just a little more work. way less than the three hours it took you. thanks for the tip and process.
Sounds like you're on the right track. The other way to fix it is to rent a .40 cal throating reamer from one of the reamer rental places (4D, elk ridge, etc).