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Old 07-02-2019, 4:11 PM
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AR-15LowerReceivers AR-15LowerReceivers is offline
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Default How to complete a polymer 80% lower

Hello builders, we recently had one or two folks in California get in touch with us about completing a polymer 80% lower for an AR-15 build project. We're new to the forum, but we figured we'd share the info that we provided as a guide to these inquiries.

This is a guide on how to complete a polymer 80% lower. The company producing these receivers, Polymer80, also put out a quick instructional video to give a visual summary of the steps involved.

Feel free to use this info for a build, or simply out of curiosity. If you have questions about receiver blanks or DIY gunsmithing a black rifle (or feedback), feel free to reach out.


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