9mm Luger 9x19mm Training Bullet w/ TPU Firing Pin Cushion
thingiverse
9mm Luger 9x19mm Parabellum Snap Cap Dummy Training Bullet Cartridge Round w/ TPU Firing Pin Cushion Print the cartridge/bullet in PETG or ABS, and the firing pin cushion out of TPU. Choose a nice bright ridiculous color so you know it's not a real round of ammunition. Has an internal hole for pushing the plug out with a straightened paperclip or a toothpick. A pull of the trigger makes a nice soft thud instead of a click when using the TPU plug. Also added a rimless version if you want the round to stay in the chamber when racking the slide. EDIT 3/14/2020: Since the original rimless version didn't grip the barrel very well, I also uploaded a version with a ridge for an o-ring, as well as a TPU o-ring to go with it. Now it stays put until you push it back out with a pencil or something similarly small. This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/eV76ymCG20H
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