Printable AR-15 80% Lower Receiver Milling Jig
thingiverse
This is a remake of 80% Arms Gen 1 self-aligning milling jig for making the proper cuts on a AR15 80% lower receiver. I printed mine with ASA, but I'm sure you can print in PLA if you'd like. You will need a drill press to use this obviously, but that is really the only tool you'll need aside from common screwdrivers, etc. For instructions on how to use this jig, please visit the following link: https://www.80percentarms.com/content/Jig_Manual_80_Percent_Arms.rev1.1S.doc.pdf The drilling plate adapter isn't required so it has been omitted. For this reason, begin after the drilling step.
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