Thread: New Gun Problem
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Old February 3, 2013, 04:00 PM   #14
Junior Member
Join Date: May 24, 2010
Posts: 5
Both my M&P40 & M&P40c did this. There are several threads on some of the M&P forums about it. If having to hold it down bothers you, there is also a "fix". I did the "fix" on both of my pistols and it cured the lever from popping back up.

Here's a pic of the "bump" or some call it a "sprue" mark I filed down. (note: if you screw up the lever they only cost about $5 to replace)
NCW Ray is offline  
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