Got a finished G80 or P80 frame? Want to upgrade your existing GLOCK handgun? A custom slide is the ticket. Here’s how to assemble a GLOCK slide! We’re putting together a GLOCK 19 slide using one of our GLOCK build kits. These instructions are applicable for other slides, too, like the G17 or G43. Slide…
Polymer80’s frames — and the handguns that are built on those frames — have gained popularity among mainstream firearm owners. These frames and guns easy to customize, and they use GLOCK parts. But P80-based pistols are not identical to modern, Gen 5 GLOCK pistols. That’s because they use “Gen 3” (older) GLOCK parts. Polymer80 no…
You’ve finished putting together your 80% lower or stripped AR lower. You sent some rounds downrange, and you’re happy with the performance — mostly. Maybe that stock trigger isn’t as crisp as you’d like. A decent trigger can make a big difference in your ability to land tight shot groups. That’s why a drop-in trigger…
The GLOCK® and 1911 handguns are perhaps two of the most popular firearms in America. It’s no surprise 80% frames have been made for custom builds. This guide compares frame blank compatibility with handgun models, calibers, and parts. The G80: Today’s Glock-Compatible 80% Build For a side-by-side comparison, read P80 vs G80: How the Polymer80…
You’re ready to become an at-home gunsmith and build an AR-15 from scratch. But which receiver blank should you buy? This guide compares available AR-type 80% lowers, which calibers they work with, and other specifications you’ll need to know before building. New here? Read “What is An 80% Lower?” Need to find the right lower…
The AR-15 is probably the most popular rifle bought and sold in America. If you’re reading this, you probably want one. There are two ways to join the owners’ club and this guide’s going to show you how to earn your membership: Option 1: Buy an AR-15 at a store that probably costs too much….
If you’re a first-time AR-15 builder, all the info found online can feel overwhelming. This simple guide introduces the basics to building your own. We’ll gives you links to in-depth guides for each part of the AR, so you can become a master of the the rifle one step at a time. How to Build…
Barrel length and twist rate can make or break your custom AR build. A barrel that’s too short won’t provide good velocity and accuracy will suffer. A bad twist rate’s even worse: With the right barrel it won’t matter, your rounds will over-stabilize or fail to stabilize at all, resulting in bullet tumble and wonky physics….
When you build an AR-15, you always start with the stripped lower receiver. Why? Because, legally, it’s the regulated firearm component of the entire rifle or pistol. All the other parts you need to build an AR are not regulated, serialized, or controlled by the Bureau of Alcohol, Tobacco, and Firearms (ATF). But even though…
Muzzle devices! There are lots of ’em. You’ve got muzzle brakes, and flash hiders, and compensators, and suppressor. What’s the difference between all of these? What’s a pinned and welded flash hider? Which device should I get? Let’s answer all the questions and compare muzzle brakes vs. flash hiders vs. compensators. Muzzle Device FAQs Q:…
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 80-Lower.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.
