AR-15 Gas Port Diameters: What's Best?

Posted by Gunbuilders.com on Mar 11th 2025

We recently covered why dwell time is so important for your AR's ability to cycle reliably. The length of your gas system determines dwell time, which determines how much gas flows into your bolt carrier group to cycle the action. Too much gas causes excess recoil and wear and tear. Too little …

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 Dwell Time? Why it Matters For Your AR's Gas System

Posted by Gunbuilders.com on Mar 11th 2025

There are a lot of AR-15s running the wrong gas system length, which can make your rifle, SBR, or pistol unreliable. The wrong gas system can can cause excessive recoil and increased wear, or it can cause short strokes, poor cycling, and frequent jams. If your AR's suffering any of these issues …

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.

Sig P365 Sizes & Models Compared (With Dimensions!)

Posted by Gunbuilders.com on Feb 4th 2025

With more than a dozen models available -- and with different models sharing grip modules, slides, barrels, and calibers -- figuring out the P365's dimensions, and which model you may want to configure or buy can get confusing. We've collected the dimensions for all models to make it easy! P365 Mode …

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.

Are AR-15 Pistol Braces Legal in 2025?

Posted by Gunbuilders.com on Jan 20th 2025

If you bought an AR-15 pistol (or built one from an AR pistol kit) then chances are high that you've looked into installing a brace on your pistol's naked buffer tube. You've also likely come into back-and-forth discussions online (or even at your local gun shop) on whether pistol braces are even le …

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 Often Should You Clean & Lube Your AR-15?

Posted by Gunbuilders.com on Dec 19th 2024

Some say the AR-15's even more reliable than Kaleshnikov's rifle -- that'll ruffle some feathers, sorry AK guys -- while others say it's a "finicky" gun that needs just the right amount of maintenance. So, which is true? How often should you clean your AR-15? How Often Should You Clean The …

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 Set Your AR-15 Stock to The Correct Length

Posted by Gunbuilders.com on Dec 10th 2024

The AR-15 is a terrifically accurate weapon. It is, in fact, arguably the most accurate semiautomatic rifle in wide circulation. But getting the most out of your AR requires setting up your rifle with the correct buttstock positioning and length of pull -- otherwise, your sight picture, grip, and re …

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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