9310 vs C158: Is One AR-15 Bolt Really Better? (No)

Posted by 80-Lower.com on Sep 19th 2024

A lot of "AR-15 experts" who proudly declare their uncontested knowledge of the AR platform are about to get upset. That's too bad, because those people are, objectively, wrong on this matter. Here's the truth: When it comes to AR-15 bolts, there is zero meaningful difference between a 9310 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 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.

6.5 Grendel vs. 6.5 Creedmoor: Which One's Best?

Posted by 80-Lower.com on Aug 14th 2024

We won't keep you waiting 'til the end: 6.5 Creedmoor offers more power and better long-range accuracy than 6.5 Grendel -- but there are plenty of reasons you might still prefer 6.5 Grendel. See our detailed comparison of these two rounds to find out which one is best for you. 6.5 Grendel: What Is …

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.

What is Dwell Time? Gas Length vs. Barrel Length Explained

Posted by 80-lower.com on Aug 2nd 2024

You've probably heard or saw discussions about why the relationship between the AR-15's gas length and barrel length -- which determines dwell time -- matters so much. But what even is dwell time? Let's cover it, and why it matters for the sake of your rifle's reliability.What is Dwell Time?Dwell ti …

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 Best (And Most Popular) AR-15 Calibers [2024]

Posted by 80-Lower.com on Jul 25th 2024

With dozens of calibers available for it, the AR-15 has become one of the most popular rifles in America. But with so many options, picking any one cartridge can seem overwhelming -- so, here are our the top picks for various tasks: All-purpose, long-range, personal defense, subsonic/suppressed fire …

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.

5.56 vs .223: What's The Difference?

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

There's one question every new AR-15 owner asks when buying ammo for the first time: Can you shoot 5.56 NATO in a .223 Remington gun? And is the opposite true: Can you shoot .223 Remington in a 5.56 rifle? 5.56 NATO vs .223 Rem: What's Different? To answer those questions, we need to see the r …

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.

What is .223 Wylde?

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

Whether it's safe to shoot 5.56 NATO in a .223 Remington-chambered rifle has been a longstanding debate, especially in the world of AR-15s (we cover this in detail in our guide: 5.56 vs .223: What's The Difference?). That debate can be laid to rest, now, thanks to the introduction of the .223 Wylde. …

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.