9MM / .40 CAL Magazine Insert for Dry Fire and Drills
thingiverse
Some semi-auto pistols lock the slide back on an empty mag. This makes dry fire practice, and some malfunction drills, difficult. USING AN EMPTY MAGAZINE, insert this device on top of the follower. The slide will now not lock back, making recocking simple. With any dry fire practice, do not have any live ammo in the room with you. Did I mention that this device should only be used with an EMPTY magazine? I have been told it works for .40 cal as well. Also, this STL is a little rough. Just do a repair on it when prompted in your printing software, and it should be fine. Check out Revere's Riders for top-notch, affordable rifle marksmanship training: http://www.reveresriders.org
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