Category Archives: 80 Lower News and Notes

5 Common Questions about AR-15 Pistols

five common questions about ar pistols

Any shooter who is familiar with the AR-15 is well aware that it’s a rifle platform rather than a pistol platform. So, how can a rifle possibly be classified as a pistol? Well, the answer to that question lies in an obscure section of a U.S. law called the National Firearms Act. However, using a […]

ATF Answers Some Common Questions About 80% Lower Receivers

atf answers 80 lower blank questions

Still have some questions about 80 lowers, their impact, and what exactly is legal? Well, we found this handy article for you that answers some common questions about 80% receivers or unfinished receivers. Check out the article directly from the ATF, here. In this article you can learn what exactly constitutes and 80 lower, who […]

80 Lower in California | Learn How to Legally Finish an 80 Lower Receiver in California

machining your own 80% lower receiver

How to Legally Finish an 80 Lower in California Are 80 Lowers Legal in California The first question you might be asking yourself is, “are 80 lowers legal in California?” If you were lucky enough to jig your 80 lower before July 1st, 2018, good news, you’re in the clear. However, if you completed an […]

Adding a Serial Number to an 80% Lower Legally

serializing an ar15

As usual, here at AMT, need to preface this with the fact that we are not lawyers, we do not work for the ATF, DO NOT consider this legal advice. If you’re putting your own serial number on an 80 lower, these are the things you must include: Your personal name: manufacturer City and state […]

What is a Lower Receiver Jig?

ar-15 jig kit for AMT receivers

A lower receiver jig is a necessary tool for anyone that is looking to start AR building. The kits allow for you to mill and finish 80% lower receivers so you can build from scratch and customize your AR build. You can purchase a variety of jigs on the internet, but there are specific jig […]

Am I Required to Apply a Serial Number to an 80 Lower I Finish Myself?

[spb_text_block animation=”none” animation_delay=”0″ simplified_controls=”yes” custom_css_percentage=”no” padding_vertical=”0″ padding_horizontal=”0″ margin_vertical=”0″ custom_css=”margin-top: 0px;margin-bottom: 0px;” border_size=”0″ border_styling_global=”default” width=”1/1″ el_position=”first last”] First off, we are not lawyers, we do not work for the ATF, DO NOT consider this legal advice. But the answer is Yes and No when it comes to finishing an 80 lower. When you complete any AR […]


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