Build & Maintain

Tools used in the Polymer80 PF940SC completion videos

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.

Jason Schaller

May 14, 2025

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Elevate Your AR-15: Bear City Arms RS Install

“🔧 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 […]

Jason Schaller

February 2, 2024

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How I Completed a PF940SC with a Dremel – Old School Build Method

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 While outdated, it's still useful for reference and troubleshooting older builds.

Jason Schaller

May 14, 2025

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The Beginner's Guide to the top 5 AR15 Upgrades

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 […]

Jason Schaller

February 24, 2023

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Polymer80 PF940SC drill press method – The OG way of P80 Building.

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 It’s outdated now, but restored for reference and old-school builders.

Jason Schaller

May 14, 2025

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Building a great looking AR15 has never been easier!

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 […]

Jason Schaller

December 30, 2022

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