Thought this would be fun to show as there are constant threads about scope mount screws not going in far enough, don't seat...whatever.
This is my last brand new 12FV that is going to get rebuilt. I pulled the barrel yesterday and thought it would be fun to chase all the threads while I had it apart. Here is what the tap pushed out from the hole that ends up blocked by the barrel threads. Lots of metal shavings and receiver paint crud. The other holes had more paint with less metal...but all were a mess. I should have taken a picture of the barrel threads as well...tons of crud that were making it real hard to get the barrel nut off. It's amazing how far the blasting media gets into the crevices.
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