Ultimate Guide to 80% Lower Receivers - The Legal Brief!

Published on July 28, 2016
Duration: 9:45

This guide, presented by attorney Adam Kraut, clarifies the legal status of 80% lower receivers. It explains that these components are not firearms federally until fully machined and details the regulations surrounding their acquisition, manufacturing, and marking, emphasizing the distinction between personal use and commercial sales. The information is crucial for anyone considering building their own AR-15 platform firearm.

Quick Summary

On a federal level, 80% lower receivers are unregulated hunks of metal and can be acquired for personal use without restriction. They are not considered firearms until the fire control group cavity is fully machined, as they cannot yet function to fire a round. Building for personal use is legal, but manufacturing for sale requires an FFL.

Chapters

  1. 00:00Introduction to 80% receivers
  2. 00:15Sponsor message and gear
  3. 00:46Definition of 80% receiver
  4. 02:25GCA firearm definition
  5. 03:03Why they aren't firearms
  6. 04:44Federal legality and ownership
  7. 05:09Building and manufacturing laws
  8. 05:422015 ATF ruling details
  9. 07:01Engraving and marking requirements
  10. 08:33Summary of legal status

Frequently Asked Questions

Are 80% lower receivers legal to own?

Yes, on a federal level, 80% lower receivers are considered unregulated components and can be acquired for personal use without restriction, as they are not classified as firearms until fully machined.

What is the legal difference between an 80% lower and a firearm?

An 80% lower is not a firearm because it lacks the fully machined fire control group cavity necessary to function. The ATF only recognizes an item as either a firearm or not a firearm, and an incomplete receiver does not meet the definition.

Can I build my own AR-15 from an 80% lower?

Yes, it is legal to build your own firearm for personal use from an 80% lower receiver. However, manufacturing firearms for sale requires a Federal Firearms License (FFL).

What are the marking requirements for firearms built from 80% lowers?

NFA firearms, such as Short-Barreled Rifles (SBRs), made from 80% lowers must be engraved. Title 1 firearms intended for personal use do not strictly require federal markings, though the ATF suggests it.

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