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Why You Should Build an AR Pistol from Your Next 80% Lower

Why You Should Build an AR Pistol from Your Next 80% Lower

Posted by Gun Builders Depot on Aug 9th 2018

Building a firearm can often be described like eating a potato chip. Namely, you can't have just one. Once you feel the craftsmanship and power of building your own weapon you will want to do it again. The question then really becomes not whether to build again but what to build next. If you don't have your very own AR-15 I'd recommend you start there. The AR in it's long form is reliable and you can never underestimate the ability to reach out and touch someone from a distance. If you are looking for your next build, however, I'd recommend you take up the quirky, yet fun and effective AR pistol.

Why Build an AR Pistol?

The first answer to the question of why is because you can. Since when do lovers of the pew need a good excuse to build any weapon? The next reason to build an AR Pistol would be due to the technical legal requirements that pop up when a rifle gets shorter. We are not lawyers and you'd be a fool to take legal advice from a blog, but we can help guide you in the right direction when building your very own AR Pistol.

The ATF classifies a short barreled rifle as anything with a barrel shorter than 16" and less than 26" overall. To own one requires to go through the NFA process and pay a hefty tax stamp fee. In some states, they are working hard to ban them outright. So if you want a short weapon that can fire from the same AR magazines you use for your long rifle then it's time to consider the AR pistol.

What You Need to Build an AR Pistol

To get started you need your standard 80% lower. The benefits of starting with the 80% lower are same when building a pistol. Namely, until you finish the milling process with one of our quality jigs the ATF can't consider this a firearm. That means buy as many as you want have them shipped right to your door. As far as the ATF is concerned the 80% lower is nothing but a big useless hunk of metal.

Next, you will want to consider what type of AR Pistol Build Kit you want. The 10.5 inch barrel with magpul handguard you see above is an excellent start. It's well priced and comes with everything you need to get started. Even better is that our products are 100% American made and guaranteed for life. Just remember, you can't attach a stock to end of this pistol no matter how easy it is to swap out. Once you add a stock it becomes a SBR. Just like that, voila! You've got a shorter version of the AR that keeps you legal and ready to pew like you wanna pew in most locations. Start with your AR long rifle first, but for you next build we say go AR Pistol or bust. 

DISCLAIMER: If you are new to the world of DIY gun building, you likely have a lot of questions and rightfully so. It’s an area that has a lot of questions that, without the correct answers, could have some serious implications. At GunBuilders.com, we are by no means providing this content on our website 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.


We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.