P Henry Posted July 4, 2010 Share Posted July 4, 2010 Good reliability upgrade for an M1S90, or waste of money? Any downside to these, other than a little more time to field strip? Quote Link to comment Share on other sites More sharing options...
Hookster Posted July 4, 2010 Share Posted July 4, 2010 Hi PH and welcome to the forum, I've never heard of anyone having an issue with a pin walking on them. Anyone else? Later, Hookster Quote Link to comment Share on other sites More sharing options...
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