Glock 17 G3 Training Barrel
thingiverse
Here's my design for a Glock 17 Gen 3 training barrel: The blue model on this picture was actually a V1 with just a cross. I've since upgraded it by adding a cylinder, which works significantly better. Please don't reach out to ask if I can create other Glock barrels – the answer is no, I've moved on from working with Glocks altogether.
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