AR9 Build & Ballistics Guide

Posted by Gun Builders Depot on May 13th 2020

The AR-15 platform is no longer reserved for the typical 5.56 NATO and .223 Remington cartridges. With new developments by major manufacturers like PSA and Anderson, the 9mm pistol-caliber carbine ("PCC") dubbed the AR9 has become a popular alternative to the typical black rifle. This blowback-op …

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 Install The AR-15 Lower Parts Kit

Posted by Gun Builders Depot on May 7th 2020

Finished cutting and drilling your 80% lower receiver? Or, bought a stripped lower? Then congratulations! You're the proud owner of an AR-15 (well, at least legally). It doesn't look like much yet, and that's because you still need to assemble the thing. We're going to show you how with …

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.

Instructions: How to Build an AR-15 Upper Assembly

Posted by Gun Builders Depot on Apr 6th 2020

This guide illustrates the tools required, torque specs, and the steps involved for properly installing your AR-15's new barrel. We're using a traditional 0.750" low-profile gas block for this install, though the install steps are generally the same if you're using an A2-style FSB. You'll need ab …

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 AR-10 vs. The LR-308 (Parts Guide)

Posted by Gun Builders Depot on Nov 13th 2019

A lot of AR parts manufacturers like to label things meant for .308 rifles as "AR-10" parts. Hell, with all the misnomers and different configurations hitting the market, you may very well think that all .308 parts are "AR-10" parts. They are not and this can be a problem if you're building your own …

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 Build an AR-15 (The Complete Parts Guide)

Posted by Gun Builders Depot on Oct 2nd 2019

We've got a lot to cover, so we'll keep this short: You want to build an AR-15 from scratch. You might have no idea where to begin. We're going to teach you everything you need to know! The rifle we're piecing together in this guide is a typical AR-15 with a 16" barrel, chambered in 5.56/.223. Th …

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.

AR-15 Buffers, Springs & Weights Explained

Posted by Gun Builders Depot on Sep 25th 2019

It's a small, unremarkable little part, but it's one of the most important pieces in your AR-15: We're talking about the buffer! The buffer and recoil spring in your black rifle (or pistol) helps manage recoil but more importantly, it controls the action of the bolt carrier group (we wrote a guide o …

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.

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