AR9 80 Lower
We partnered with some of the country's best gunsmithing experts to bring a new version of the AR9 80 lower to market! These by-design, USA-made billet aluminum lowers are not like any old 9mm AR-15 "box conversion" kit (nobody wants a skinny magazine in a big 5.56 mag well, anyway).
Mil-Spec & Compatible with AR-15 Components
Instead, engineers took the time to develop these proprietary 80% lowers to work with the standard AR-15 lower parts kit, all current AR-15 80% jigs, all factory and aftermarket Glock magazines, the popular G-9 Hybrid 9mm bolt carrier group, and current AR9 uppers on the market! If you want to build the baddest AR9 pistol from scratch and proudly call it your own creation, this new lower is the ticket. It provides black rifle compatibility and customization potential without breaking the bank.
Ready to build from scratch? Grab a lower and start here: The Ultimate AR9 Pistol Guide.
We cover parts compatibility in detail, 9mm ballistics in a carbine setup (chart included), what barrel length and twist rate are best, and what type of buffer is required to accommodate your AR9's blow-back gas operation.
AR9 80 Lower Features:
- Compatible with AR9 uppers
- Compatible with G-9 Hybrid BCG
- Compatible with all 80% AR-15 jigs
- Compatible with all Glock magazines!
- Compatible with AR-15 lower parts kits
- Compatible with AR-15 buffer tubes
- Is not considered a firearm - NO FFL required!
- Ships directly to your front door
AR9 Technical Specs:
- Features mil-spec, Type III hardcoat anodized finish
- Made from 6061-T6 billet aluminum construction
- Competition-style mag well ramps for fast reloads
- One-piece, integrated trigger guard
No FFL required!
No FFL is required to purchase these lower receivers. These 80% lower receivers are not considered firearms and are compliant with the Gun Control Act of 1968. They're not classified as a firearm as defined in 18 U.S.C. 921(a)(3). That means we can ship your lower straight to your front door! You don't have to pay any special taxes and fees to the government, deal with an FFL, or jump through any hoops.
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 80-lower.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.