So, you’ve finished your Polymer80 build, or you bought and built a custom GLOCK slide. Now you need some quality iron sights. Installing GLOCK sights is easy. It only takes 15 minutes with some basic tools. Here’s how to install GLOCK iron sights! GLOCK Sight Install: Tools Needed Nylon Punch: A nylon punch assists with…
The Holosun 507K is one of the most popular handgun red dots on the market, and the Glock 43X MOS is probably the most popular optics-ready, concealed-carry pistol available. There’s some confusion about whether the 507K fits the MOS slide. We’re clearing that up today with a detailed unboxing, review, and installation. Holosun 507K: Unboxing…
We’ve covered the differences between the Polymer80 (Gen 3) frame, and the Gen 5 GLOCK frame. But what about the slides? Are their parts interchangeable? Can you fit a Gen 3 slide on a Gen 5 frame? Let’s take a look. Gen 3 vs Gen 5 GLOCK Slides Compared For this comparison, we’re looking at…
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…
If you’ve read our P320 Build Guide, then you’re probably wondering how to easily convert your newly built Sig Sauer pistol between its various sizes, barrel lengths, and calibers. That’s accomplished by swapping the P320’s fire control unit — the part legally considered the firearm itself — into a new grip module. What are P320…
Building or modifying your 1911? This guide explains the three variants of this legendary handgun in relation to frame size: The full-size Government, the compact Commander, and the subcompact Officer. The Original 1911: Government (5″) Model The aptly-named Government 1911 profile is the original, full-size, steel-framed design submitted by Colt to the U.S. Army in…
So you’ve finished your 1911 build kit – congratulations! You’re now the proud owner of one of the greatest handguns ever built, even to this day. But we at 80-lower are believers in continuous improvement, and the ages-old design of the 1911 could always use some upgrades here and there if it wants to make…
