Use this documentation for step by step instructions to complete your 80% Lower Receiver with the Jig.
The instructions are for Drill Press (ideal solution) and Drill/Dremel completion methodologies. Measurements are included for those who are utilizing a Milling Machine. (if the file doesn’t load the first time, close the window and try again, it should pop up)
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Click Here for: Polymer80 Lower AR15 Build Instructions
Click Here for: Video
AR15 lower receiver military specification comes in handy, but is not required knowledge to finish the Polymer80 receiver. We provide it here just as a reference: