How to Complete an 80% Lower

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We're going over how to cut, drill, and fabricate an AR-15 80% lower using a drill press jig (our Elite Builder Jig). Follow along to see what tools you need, and learn how to successfully drill your receiver's pin holes and cut the fire control cavity.

Get the Elite Builder Jig here.

DISCLAIMER: We’re not lawyers, and we cannot provide legal advice to you. Seek legal counsel if you’re uncertain about the legality of building a firearm in your state.

DISCLAIMER: If you are new to the world of "DIY" gun building, you likely have a lot of questions. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. We are by no means providing this content to serve as legal advice or legal counsel. We encourage each and every builder to perform their own research around their respective State laws as well as educating themselves on the Federal laws. When performing your own research, please be sure that you are getting your information from a reliable source.