AR-15 Finishes & Coatings Explained

Posted by 80-Lower.com on Nov 20th 2020

Black rifles deserve the name: They're almost all, well, black. Other parts ( like our raw 80% lowers) come unfinished so you can add your own coating. Even though they all look alike, there are loads of finishes available for your AR-15 and other guns. Which ones can you apply at home, and how …

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.

AR-10 vs AR-15: History, Compatibility & Specs

Posted by 80-Lower.com on Oct 26th 2020

The AR-15 and AR-10 look identical in their designs, handling, and functions. They even look the same at a glance: Can't tell the difference? You're forgiven. The AR-15 and the AR-10 are almost the same rifle. They both use a direct-impingement gas system. Both have double-stacked bo …

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.

The Guide to The 6.5 Grendel AR

Posted by 80-Lower.com on Aug 10th 2020

300 Blackout, 458 SOCOM, .308, 6.5 Creedmoor, 9mm, the list goes on. There are endless calibers being shoved into the AR platform for a myriad of uses. But why 6.5 Grendel? What's its purpose, and why bother chambering your black rifle in it? Today we're covering this cartridge, why you might wan …

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.

AR Lower Receivers: Cast vs Billet (6061-T6) vs Forged (7075-T6) Aluminum

Posted by 80-Lower.com on Jul 30th 2020

The most important part of the AR-15, the lower receiver (the firearm itself) is most often made from two types of metal alloys: Billet (6061-T6) and forged (7075-T6) aluminum. If you're here, you're probably going to build your AR-15 using an 80% lower. If that's the case, choosing between bille …

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.

AR-15 Handguards Compared (M-LOK v. Keymod)

Posted by 80-Lower.com on Apr 28th 2020

One's a bunch of slats, one's a bunch of keyholes. Like the kind you'd find on those steel shelves in the garage. Which is better for all your accessories, optics, bipods, flashlights, and lasers? KeyMod or M-LOK? What are the differences? We're breaking down both. We need to give a shout-out t …

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.

The AR-10 vs. the LR-308: What's Different?

Posted by 80-Lower.com on Feb 5th 2020

Building an AR chambered in .308 is wildly popular, especially with the introduction of ready-to-fire uppers, 80% lowers chambered in .308, and complete build kits. But the original AR-10 has few to no aftermarket components for sale, prohibiting a custom build. This is not a concern …

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.