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Old June 17, 2012, 09:24 PM   #9
James K
Join Date: March 17, 1999
Posts: 24,141
Those guns do have a firing pin stop but with wear and battering the pin can protrude too far. The bolt has a countersunk area that encloses the case rim; the non-countersunk part of the bolt face butts up against the barrel face and the firing pin should not protrude past the end of that countersunk area; it should stop in the countersunk area so it never touches the barrel.

A quick and dirty fix is just to grind a bit off the front of the pin so it doesn't protrude beyond the countersunk area. That is a pretty old gun and probably just about everything is worn; might I suggest retiring it and getting a more modern plinker, like the Ruger 10/22.

(I am not sure how well I explained that, but I don't do drawings well. If still unclear, I will try again.)

Jim K
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