“Which 80% lower is the best” Is a question we get asked frequently by AR-15 builders and new customers. The answer to that question depends on what type of AR you’re building, and what tools you have access to. Of course, there is generally one overall best choice when it comes to putting together a…
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…
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…
Still deciding what type of 80 Lower Receiver to buy? There are two popular types of 80 lowers for sale. In this video we explain the differences between billet and forged 80% lowers. Forged and Billet describe the way that the 80 lower is manufactured. In this video we also take a closer look in the…
A common question that we get from fellow builders at 80-lower.com is, “Hey man, what’s the difference between a billet and forged 80 lower receiver?” Check out this sweet diagram that we put together to show the differences and explain some of the terms that you may run into when choosing between a billet and forged…
