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Top 3 80 Percent Lower Receivers of 2019 (.308, AR9, Premium Billet)

With 2019 in full swing (and that juicy tax return likely burning a hole in your wallet), we felt it was high time we reviewed the top 3 80 percent lower receivers of 2019! Ready to build your next black rifle – or pistol? Today we’re going to be checking out AR-10 lower, our new AR9 pistol lower, and our O.G. Premium Billet lower, specifically made for 5.56 and .223!

Let’s get started:

#1: Black .308 80% Lower Billet Fire/Safe Engraved (1-Count)

Ready to venture into the world of medium- and long-range shooting with your next black rifle? Our Black .308 80% Billet Lower is the ticket! This Gen 1 DPMS-compatible 80% lower comes ready to accept .308 cartridges and a DPMS fire control group, allowing you to affordably build your own AR-10 clone.

Our .308 80% Lower is proudly made in the U.S.A. from 6061 T6 billet aluminum – the same quality stuff you’d find on the gun store shelf. It comes pre-engraved with the necessary Fire and Safe markings, so all you need to do is machine the fire control group and drill a few holes!
But our .308 lower isn’t just an alternative to retail pieces.

We made some upgrades to improve function and form, including an enhanced and reinforced trigger guard pre-installed, as well as a broached mag well for quicker and more intuitive reloads. Grab yours with a jig and get building!

*This Lower is compatible with DPMS Gen 1 .308 components. May NOT be compatible with ArmaLite AR-10 components.

#2: 9mm AR-9 80% Billet Lower (1-Pack)

Owning an AR pistol once meant shelling out some serious cash for a by-design piece, usually built by a premium gunsmith. That’s not the case anymore! Introducing our new 9mm AR-8 80% Billet Lower!

This made-in-the-U.S.A. 80% lower is built from 6061 T6 aluminum and is compatible with all standard Glock magazines! Pick yours up with a mil-spec Type III Hardcoat Anodized finish, or save a little cash and pick up a raw lower and make it your own!

What’s more, our AR-9 80% Lower is compatible with most (if not all) our 80% Jigs! That means if you’ve already invested in your tooling, you can build your AR-9 with just this lower, a parts kit, and an upper! This 80% Lower features competition-style mag well ramps for faster reloading, and we’ve got loads of AR-9 uppers for a plug-and-play build!

#3: Premium Black 80% Lower Billet Fire/Safe Engraved

Ready to build an AR-15 that’s a step above the rest? We’re proud to introduce our new and improved Premium Billet Black 80% lower! Some unique and innovative upgrades include a threaded bolt catch release hole as well as a threaded rear takedown detent hole, making final assembly too easy.

A broached mag well, enhanced trigger guard, and a lightweight billet construction make this 80% lower the perfect choice for your next 5.56/.223 AR pistol or rifle build. This Premium Billet 80% Lower is 100% made in the U.S.A. and comes backed with a Lifetime Warranty!

At around $80, our Premium Billet 80% Lower is more expensive than competing options with fewer features! Pick yours up with a Type III Hardcoat Anodized or raw finish. Grab an 80% jig, an AR upper, and a parts kit and you’re ready to build!


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 80Lower Jigs, 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.

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