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What Are The Best AR-15 Barrel Lengths? By Caliber

What Are The Best AR-15 Barrel Lengths? By Caliber

Posted by Gunbuilders.com on Mar 20th 2024

There are a lot of calibers that'll fit in the AR-15. Barrel length (and twist rate) are the most important things to consider when it comes to making sure your AR is accurate. Which barrel length is best for your AR? Find out with our data below.The Best AR15 Barrel Lengths We like we …

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.


AR15 Rifle vs AR Pistol: What's The Difference?

AR15 Rifle vs AR Pistol: What's The Difference?

Posted by GunBuilders.com on Mar 15th 2024

The AR platform, originally developed by Eugene Stoner, has become one of the most popular firearm platforms, prized for its modularity, reliability, and easy customization. Besides its dozens of available calibers, the AR comes in two flavors: Rifle and pistol. While they may look alike at a …

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 a 9mm AR: The Original AR9 Pistol Guide

How to Build a 9mm AR: The Original AR9 Pistol Guide

Posted by Gunbuilders.com on Mar 1st 2024

This is the original AR9 build guide, brought to you buy the folks who build what we sell. We're covering optimal barrel lengths for accurately sending 9mm through the AR platform, what parts you'll need to assemble a 9mm rifle or pistol, and what components make the 9mm AR's upper and lower receive …

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 a G17/19 GLOCK Slide Parts Kits

How to Install a G17/19 GLOCK Slide Parts Kits

Posted by Gunbuilders.com on Jan 25th 2024

Finish cutting, drilling, and assembling your P80 frame? Now it's time to complete the other half: The slide assembly. With an assembled slide, you'll be ready to put your P80 build together and finally hit the range. In this guide, we're going over how to assemble your slide using one of our …

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.


 First vs. Second Focal Plane Scopes Explained

First vs. Second Focal Plane Scopes Explained

Posted by Gunbuilders.com on Oct 11th 2023

If you're shopping for a variable glass optic - a typical rifle scope - then chances are, you've come across acronyms like "SFP", which means "second focal plane," and "FFP", or "first focal plane." But whare first and second focal planes? And which type of scope should you buy?What is an SFP …

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 Lap and Install Scope Rings

How to Lap and Install Scope Rings

Posted by Gunbuilders.com on Oct 4th 2023

So, you just bought that shiny new rifle scope for your favorite long-distance shooter or hunting rifle. You're ready to throw 'er atop the receiver and start sending lead downrange with some sweet, sweet magnification. But wait! Those new scope rings? Chances are they're not aligned. That m …

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.