Build & Maintain

This restored post lists every tool used in my original PF940SC completion videos, from vices to files and Dremel accessories. Building methods have changed—this is here for reference only.

This archived guide shows how I originally completed a Polymer80 PF940SC using a Dremel. While outdated, it's still useful for reference and troubleshooting older builds.

This is the original PF940SC drill press method from the early days of Polymer80. It’s outdated now, but restored for reference and old-school builders.

Can You Still Build an 80% 1911 in 2025 for under $400? Here’s What It Took Me Then—and What It Takes Now There are two kinds of gun builds: the ones you enjoy, and the ones that make you question every life decision that brought you there. This was the latter. Back in 2020, I […]

Join us on Extreme DIY Gunsmithing as we create the ultimate .308 Winchester custom rifle, named the Smooth Operator. This precision rifle is built around the renowned Pristine short action, known for its unparalleled smoothness and accuracy. Crafted for both tactical and practical performance, this build features top-tier components from industry-leading brands, making it perfect […]

Adjusting the Point of Impact on Your SIG Sauer Pistol: A Technical Guide to Changing Sights When precision matters, adjusting the point of impact (POI) on your SIG Sauer pistol can make all the difference. This can be crucial for both competitive shooters and those who rely on their SIG for personal defense. Below is […]

Complete Guide: Finishing Your MUP-1 80% P320 Frame In this Video, viewers are taken through a comprehensive step-by-step process on how to finish the MUP-1 80% P320 frame, an essential skill for any firearm enthusiast interested in custom gunsmithing. I am an instructor at Freedom Crew University where I teach DIY Gunsmithing. The video covers […]

Our P320 80% Range Testing Video will show you the first shots of the build as well as some follow up work we completed. If you find our videos helpful please consider supporting us for free by using our affiliate banners and links on www.trb.fyi or by donating by becoming a Patron on Patreon http://www.patreon.com/TheRogueBanshee. […]

P320 80% Build Adventure Title: P320 80% Build Adventure: Crafting Your Own Sig Sauer Masterpiece A lot of things have changed since I originally wrote this article. Regulations and laws have changed, and so have techniques. My videos have been banned on platforms and members of congress have tried to keek if off the internet. […]

“🔧 Discover how to quickly change barrels on your AR-15 with the Bear City Arms RS Series. This product allows you to do an AR-15 barrel swap in a minute out in the field. This tutorial guides you through the installation process, enabling barrel swaps in the field in under a minute. Whether switching from […]

Looking to upgrade your AR15 rifle, but not sure where to start? You’ve come to the right place! In this beginner’s guide, we’ll cover the top 5 AR15 upgrades that every shooter should consider. I am a Chief Instructor at Freedom Crew University and I will walk you through each upgrade, explaining the benefits and […]

In this video, we’ll explore kit rifles! This AR15 kit is excellent for target practice rifles or entry-level competition guns. If you’re looking for an easy AR15 build that you can do on your own, be sure to check out this Bowden Kit Gun! It’s a great way to get started with firearms and learn […]