The Glock 19 Gen5 MOS FS seems to be a supremely reliable defensive pistol with a feature set reflecting the needs and desires of modern defensive shooters.

The Glock 43X MOS was completely redesigned from the original 43X and features some major improvements. It’s incredibly small, 6.5” overall with the barrel accounting for 3.4”.

In this review, we take a look at the process and result of building a custom Glock-style handgun in 9 mm from a kit provided by Rival Arms and Brownells.

The Glock 43X MOS was completely redesigned from the original 43X and features some major improvements. It’s incredibly small, 6.5” overall with the barrel accounting for 3.4”. Including the ...