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Gun Builders News

What's An AR Build Kit?

What's An AR Build Kit?

Posted by Gunbuilders.com on Nov 23rd 2022

Building an AR-15 piece by piece is something a lot of new rifle owners choose to do. But for others, picking out every individual part for their upper and lower receivers just isn't in their wheelhouse. That's perfectly OK. That's why AR build kits exist! Let's talk about 'em.AR Build Kit FAQ …

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 GunBuilders.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 80% Jig Compatibility Guide

The 80% Jig Compatibility Guide

Posted by Gunbuilders.com on Nov 16th 2022

If you've decided to machine an 80% lower or frame to build a custom firearm, you're going to need one critically important tool: An 80% jig. We're covering jig compatibility in this guide -- learn which jig and tooling you need to cut and drill your lower or frame! AR-Type 80% Jig Compatibility …

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 GunBuilders.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 an 80 Percent Lower?

What is an 80 Percent Lower?

Posted by Gunbuilders.com on Oct 11th 2022

Black rifle enthusiasts and shooters have been using aluminum and polymer receiver blanks to build their AR-15s at home without registering or serializing them. Officially called an 80 lower (or 80% lower) , these receiver blanks aren't legally considered firearms at the time of purchase. Bu …

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 GunBuilders.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 Use a Polymer 80% AR Jig

How to Use a Polymer 80% AR Jig

Posted by Gunbuilders.com on Oct 10th 2022

Finishing a polymer 80 percent lower is a fun do-it-yourself way to fabricate an ultra-light receiver for your AR-15 build. A polymer lower is easier to finish than a billet or forged lower, so  it's a great choice for beginners. These polymer units are also more affordable. If you …

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 GunBuilders.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 Complete a P80 Pistol Frame

How to Complete a P80 Pistol Frame

Posted by Gun Builders Depot on Oct 5th 2022

This visual and instructional guide illustrates how to complete the various series of 80% frames from Polymer80. These frames are 100% compatible with corresponding GLOCK®Gen 3 handguns. Complete build kits can be purchased which include the 80% jig, frame, tools, and all GLOCK®parts requi …

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 GunBuilders.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 Complete an 80% Lower

How to Complete an 80% Lower

Posted by Gun Builders Depot on Oct 3rd 2022

If you're here, congratulations, you made the right choice: You're building your AR un-serialized from an 80% lower receiver. This guide covers how to properly complete your receiver.  We're using the popular Elite Builder jig for this project. It's a drill press/milling jig that doesn't 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 GunBuilders.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.