Compatibility Guides

The barrel is the one part where aftermarket options change measurable performance rather than feel. Match-grade barrels use tighter chamber and bore tolerances for better...

The extractor is the claw on the right side of the breech face that grips the case rim and pulls the spent case out of...

There is a hollow cavity at the base of the Glock grip, behind the magazine well. A grip plug fills it. That stops brass, grit...

The Glock frame is smooth polymer with a moulded texture that varies by generation, and for a lot of shooters it is not enough —...

The guide rod sits under the barrel and captures the recoil spring, controlling how the slide travels and returns. It is one of the few...

Magazines are the most common source of stoppages in any semi-automatic pistol, which makes them the part least worth economising on. A Glock magazine is...

The magazine release is the catch that drops the magazine out of the frame. Extended releases give you a larger, higher pad so you can...

The rear slide cover plate is the small panel at the back of the slide that retains the firing pin channel components. Functionally it does...

The recoil spring controls how fast the slide travels rearward and how hard it returns to battery. It is a wear part with a service...

Glock ships with polymer sights. They work, but they are the first thing most owners replace — steel sights survive being knocked, and tritium night...