jstagn Posted May 21, 2014 Share Posted May 21, 2014 M&P pro 9mm 2013 vintage, apex comp kit, kkm barrell. Apex kit mod has 5k rounds,kkm has 500 rounds. Shoots great. Cleaned gun, shot maybe 30 rounds and now the slide locks back on every round with multiple magazines and 2 people shooting it. Took apart nothing I could see wrong, EXCEPT the slide lock lever did not seem like it had a lot of tension on it, either up or down. Is there a spring or something broke/missing or what????? Link to comment Share on other sites More sharing options...
JMike Posted May 21, 2014 Share Posted May 21, 2014 Sounds like the slide lock spring. Do you know how to completely disassemble the frame? If not, there are tons of you tubes videos that will show you how. Good luck. Mike Link to comment Share on other sites More sharing options...
jstagn Posted May 21, 2014 Author Share Posted May 21, 2014 Thanks Mike, I suspected it might be a spring. Is there a diagram somewhere that shows a blow-up of it? Thanks again. Link to comment Share on other sites More sharing options...
jstagn Posted May 21, 2014 Author Share Posted May 21, 2014 Mike, it was a broken slide lock spring, actually looks like a torsion spring rather than a 'circle' wound spring. It comes as a slide lock assembly and S&W are sending me one under warranty. Thanks for your help...... Link to comment Share on other sites More sharing options...
e5gator Posted January 12, 2016 Share Posted January 12, 2016 I had an issue with this, not with every round but on the second to last round in the magazine, I'm sure you can purchase, but i modified my slide catch and removed the interior tab that is lifted my the magazine follower. problem solved and i still have a slide catch if i need it Link to comment Share on other sites More sharing options...
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