

This is an extremely specific design to go with a custom made internal magazine and to fit a very specific upper from Bear Creek Arsenal which, at this point, I'm not even sure I plan to recommend. But people have asked for it anyways. So here it is.
Obviously, it is still a great starting point to modify the STEP file from to make your own designs. So maybe that's why you guys want it so bad?
And remember, the AR15 has blueprints a plenty online. Those are super helpful too if you plan to do any mods!
LBRY Tags: cad; ar15; lower receiver; gunsmith; cnc
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