SHIPS SAME DAY OR NEXT BUSINESS DAY

phone: 888-568-1771
AR-15 Bolt Carrier Groups: What Steel & Finish is Best?

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 AR-9: 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 Pis …

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)

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?

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

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]

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.


We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, Hawaii, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.