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The Range
Handgun Discussion
M&P compact 40/357 to 9mm conversion
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<blockquote data-quote="B96brig4CC" data-source="post: 908757" data-attributes="member: 7661"><p>Took the plunge and bought a storm lake barrel to convert my M&P 40c to 9mm. Bought 2 factory 9mm mags w/ finger extensions from cheaper than dirt. My question now will be if I will need a new spring. I guess I will just have to run a couple once I get it and see if the 40 spring is to stiff for 9mm or not. Also bought me a TLR-3 light for it.</p><p></p><p>Has anyone tried this conversion and what did you find with the stock spring?</p></blockquote><p></p>
[QUOTE="B96brig4CC, post: 908757, member: 7661"] Took the plunge and bought a storm lake barrel to convert my M&P 40c to 9mm. Bought 2 factory 9mm mags w/ finger extensions from cheaper than dirt. My question now will be if I will need a new spring. I guess I will just have to run a couple once I get it and see if the 40 spring is to stiff for 9mm or not. Also bought me a TLR-3 light for it. Has anyone tried this conversion and what did you find with the stock spring? [/QUOTE]
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M&P compact 40/357 to 9mm conversion
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