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mag won't release

  1. Mag WON'T release when slide locked back

    MP Pistol Tech Help
    So this is kinda the opposite problem every1 has been having. Background Info: Just for some background info I just bought a MP40 full size about a month ago. I've only put 100 rounds through it; no failures to feed or failure to fire so the gun will fire correctly. Problem: I do have one...
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