Guide
The Best 5 AR-15 Upgrades to Make Your Rifle Run Better – Without Blowing $1,000
Five AR-15 upgrades that improve accuracy, reliability, and control—tested parts that make your rifle run better without breaking $1,000.
Guides, Reviews, Products, And Related Content
This archive collects content connected to Build & Maintain.
Guide
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.
Guide
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 While outdated, it's still useful for reference and troubleshooting older builds.
Guide
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 It’s outdated now, but restored for reference and old-school builders.
Guide
80% 1911 for under $400 build adventure
Can You Still Build an 80% 1911 in 2025 for under $400? Here’s What It Took Me Then—and…
Guide
How I Created the Ultimate .308 Rifle (Step-by-Step Guide)
Join us on Extreme DIY Gunsmithing as we create the ultimate .308 Winchester custom rifle, named the Smooth…
Guide
Adjusting the Point of Impact on Your SIG Sauer Pistol: A Technical Guide to Changing Sights
Adjusting the Point of Impact on Your SIG Sauer Pistol: A Technical Guide to Changing Sights When precision…
Guide
Complete Guide: Finishing Your MUP-1 80% P320 Frame
Complete Guide: Finishing Your MUP-1 80% P320 Frame In this Video, viewers are taken through a comprehensive step-by-step…
Guide
P320 80% Range Testing Video
Our P320 80% Range Testing Video will show you the first shots of the build as well as…
Guide
P320 80% Build Adventure
P320 80% Build Adventure Title: P320 80% Build Adventure: Crafting Your Own Sig Sauer Masterpiece A lot of…
Guide
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…
Guide
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!…