How to Pick An AR-15 Barrel Profile

Posted by 80-Lower.com on Dec 3rd 2024

You've seen it advertised on so many upper receiver assemblies' barrels: "M4/Government profile," and "Heavy profile." What's it mean? What is a barrel profile, and why is it so important? Let's take a look.What is a Barrel Profile?The profile of an AR-15 barrel -- or any gun barrel, for that matter …

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.

How to Tell If Your AR-15 is Over-Gassed (& How to Fix It)

Posted by 80-Lower.com on Dec 3rd 2024

We covered how the AR-15's gas tube length affects dwell time, which can also cause the rifle or pistol to be over-gassed or under-gassed. Is your AR short-stroking or, inversely, producing excess felt recoil and throwing spent brass 30 feet across the range's lanes? This is easy to diagnose. Let's …

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.

Gun Cleaners You Should (and Shouldn't Ever) Use

Posted by 80-Lower.com on Nov 29th 2024

Whether you're breaking in your barrel for the first time -- which you absolutely should do, if you want the best accuracy and barrel life possible -- or you're coming back from a regular ole' range day, it's imperative you swab your bore, clean that rifling, and stow your rifle or pistol free of fo …

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.

The Right (and Wrong) Way to Install an AR-15 Foregrip

Posted by 80-Lower.com on Nov 27th 2024

Your AR-15's probably more accurate than you. But you can mitigate your skill issue and increase your accuracy by installing an utterly simple and proven device: The forward grip. A quality foregrip improves accuracy through better control of the muzzle, which also provides good recoil mitigation. B …

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.

Do You Need to Break in Your New Barrel? (Yes, Here's How)

Posted by 80-Lower.com on Nov 15th 2024

Finished building your custom AR-15? Bought a new barreled upper or an all-new rifle? Trying to maximize your accuracy and land some sub-MOA groupings at the range? Then you've got to follow the steps below. Why You Should Break in Your BarrelSure, you've bought plenty of things that came with …

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.

Common Myths & FAQs About The AR-15

Posted by 80-Lower.com on Nov 9th 2024

The AR-15 is one of the most popular firearms bought, sold, and built by gun owners in the United States. Tens of millions of rifles, SBRs, and AR-type pistols are in circulation -- and it's because of its popularity that Eugene Stoner's invention has been riddled with plenty of myths and false. AR- …

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.