S&W MP 9 Mag Loader
thingiverse
Saw a 9mm blank gun loader for a single stack magazine and used the idea to create a similar one for S&W double stack mags (https://www.thingiverse.com/thing:3379178) Fits a little tight on some mags so you may need to do some fitting on the inside (or let it wear in). You will need a spring and a roll pin or screw to complete Spring: https://www.amazon.com/dp/B005S4ES6A/?coliid=I3TSV4ZO8D3YAT&colid=2ZNJJSAX5VR6G&psc=0&ref_=lv_ov_lig_dp_it For the roll pin, use a 1/4" #10 or M5 button head screw if you don't have roll pins. Body - print with 1mm or greater walls so that the roll pin is well retained. Plunger - print with 1mm or greater walls and a 40%+ infill for strength.
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