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80 Lower Blog

How to Install the AR-15 Lower Parts Kit

How to Install the AR-15 Lower Parts Kit

Posted by 80-Lower.com on Aug 25th 2022

Installing the lower parts kit in your AR-15's lower receiver should take less than two hours for first-time builders. This guide will illustrate how to perform each assembly and install step with pictures and written instructions. We strongly recommend finding the right tools before you get star …

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 Duracoat Camouflage an AR-15

How to Duracoat Camouflage an AR-15

Posted by 80-Lower.com on Aug 3rd 2021

You bought or built a shiny new AR-15. Congratulations! But it looks just like every other AR out there. What do you do? You paint it. But how? Easy: We're going to show you how to use Duracoat - a popular gun coating that now comes in a rattle can - and some simple vinyl stencils to produce your …

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 Zero a Red Dot Sight

How to Zero a Red Dot Sight

Posted by 80-Lower.com on Jul 29th 2021

Just bought a red dot sight? You must zero the reticle so your point of aim (POA) matches your bullet's point of impact (POI). When you install your new red dot, chances are POA will not match POI. Your rounds may land low and left, high and right, or any combination thereof. Getting POA to ma …

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 Ultimate AR-15 Sling Guide + Top Picks [2023]

The Ultimate AR-15 Sling Guide + Top Picks [2023]

Posted by 80-Lower.com on Jul 20th 2021

A sling makes carrying your AR-15 easier. It allows for quickly switching from your rifle to a sidearm, too. But most of all, a good sling is a valuable shooting aid. It improves accuracy and stability without a bench or shooting rest. With the right sling, you'll nail shot placement and reduce f …

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.


300 Blackout vs 9mm Parabellum

300 Blackout vs 9mm Parabellum

Posted by 80-Lower.com on Apr 29th 2021

The AR-15 is equally capable of chambering 300 Blackout and 9mm Parabellum. Both cartridges can function as supersonic and subsonic loads with short barrels. Both can be effectively suppressed when loaded as subs. Both provide similar AR configurations to accomplish this. So, 300 BLK is a pretty …

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 Fundamentals of Marksmanship

The Fundamentals of Marksmanship

Posted by 80-Lower.com on Apr 27th 2021

We talk a lot about building ARs from scratch. But what good does that new rifle or pistol do you, if you can't effectively send those rounds downrange? If you're a new shooter or builder, chambering that first cartridge and pulling the trigger can be intimidating. It's not embarrassing to admit …

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.