Should You Lap Your AR-15 Upper? (Yes! Here's Why & How)

Posted by 80-lower.com on Mar 3rd 2025

The AR-15's capable of incredible accuracy, and it's one of the most reliable firearms ever designed. But its mass production, myriad manufacturers, those makers' tendencies to focus on affordability, and the classic effect of "tolerance stacking" (small imperfections in components adding up to noti …

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.

Is Your AR-15 Over (Or Under) -Gassed? Here's How to Tell

Posted by 80-lower.com on Mar 3rd 2025

Does your AR feel a bit too punchy in the shoulder? Are you pulling your bolt after a modest range day, only to find it's caked in carbon fouling? Getting a little too much heat in your face when you run a suppressor? These are all symptoms of the likelihood that your AR-15's over-gassed. There are …

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.

Sig P320 Sizes & Models Compared (With Dimensions!)

Posted by 80-Lower.com on Feb 1st 2025

Tired of looking for all the different Sig P320 configurations? Find 'em all here, in one convenient list! The P320 is categorized into five sizes, increasing from smallest to largest: Carry, Carry X, Compact, Full-Size, and Full-Size X. P320 Models & Dimensions See the barrel length, overall le …

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.

P320 vs. P365: What's The Difference?

Posted by 80-Lower.com on Jan 31st 2025

Sig Sauer now has two wildly popular handguns on the market. Both are modular, and both effectively function in the same manner. We're talking about the P320 and P365. Given that both pistols use an internal chassis with reconfigurable frames, slides, and barrels, it's easy to get confused when it c …

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.

Can You Hunt With an AR-15? (Yes, Here's Where & How)

Posted by 80-Lower.com on Jan 20th 2025

The country's most popular rifle makes a great sporting rifle when it comes to hunting America's small, medium, and even big game. To answer the question: Yes, the AR-15 is a legal hunting rifle in most states. But there are key restrictions in place in many locales, and some states simply don'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 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.

Stainless vs. Carbon: Which Barrel Steel is Better?

Posted by 80-Lower.com on Dec 22nd 2024

Gun barrels are made from just two types of steel: Stainless, and carbon. When it comes to putting rounds on a target, both types of steel provide different benefits and drawbacks. So, which barrel steel's better? Is one even truly "better," overall? Let's cover it -- but first, we need to learn …

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.