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Old April 14, 2018, 08:49 PM   #7
Scorch
Senior Member
 
Join Date: February 13, 2006
Location: Washington state
Posts: 13,599
The threaded holes are very shallow from the factory, and either strip or the screw strips because the screw tightens against the bottom of the hole. We have fixed several over the years. Mill a round recess into the barrel, turn a small threaded 4140 insert with a short "nipple" raised up that increases the number of threads the screw can grab. Works wonderfully.
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