How to Dimple Your AR-15 Barrel For Your Gas Block

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

If you were looking up how to build an AR-15 upper, or how to install a new gas block, you might've come across this topic: Does your AR-15 barrel need dimples for the gas block's set screws? What is dimpling, anyway? Let's cover it.What Are AR-15 Barrel Dimples?Barrel dimples are small indentations …

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.

AR-15 Bolt Carrier Groups: What Steel & Finish is Best?

Posted by 80-Lower.com on Sep 24th 2024

Long gone are the days of just buying a generic phosphate-coated, "mil-spec" bolt carrier group. Dozens of combinations of new steels and coatings have hit the market. But some steels and coatings might not be ideal. Others provide genuine improvements in bolt life, reliability, and ease of clea …

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 Build An AR9: Parts Guide & Instructions

Posted by 80-Lower.com on Sep 23rd 2024

This is your ultimate AR9 pistol guide! We're covering parts compatibility between the AR-9 and AR-15, how to pick the right parts for the perfect 9mm AR build, and we're providing instructions on how to build an AR-9, start to finish. Let's get started.What is the AR-9? A typical 9mm AR Pisto …

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.

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.