The Glock 43X is a 9mm striker-fired pistol built on a compact, single-stack frame. At 6.5 inches overall and 16.4 oz., it sits in the slim-carry category, easy to conceal without giving up much capacity. This particular example has a black polymer frame with gold Cerakote accents on the slide. 
 

Key Specifications 

• Model: Glock 43X 
• Caliber: 9mm 
• Barrel Length: 3.4 inches 
• Overall Length: 6.5 inches 
• Capacity: 10+1 rounds 
• Weight: 16.4 oz. 
• Finish: Black / Gold (Cerakote) 
• Frame Material: Polymer 
• Firing System: Striker-fired, Safe Action safeties 
• Magazine Type: Single stack (2 magazines included) 
   

Features 

The carbon steel barrel uses a 1:9.84 twist rate. White dot front and white outline rear sights give a clear sight picture in varied light. 
 
The Safe Action trigger system has three passive safeties (trigger, firing pin, and drop safety), all disengaging together under a normal trigger pull. There is no external manual safety lever. 
 
The single-stack magazine holds 10 rounds, which is on the lower end for 9mm compact pistols but directly tied to the slim grip width. Two magazines ship with the gun. 
 
Gold Cerakote on the slide is purely cosmetic and doesn't affect function, but it does make this variant easier to spot among standard black 43X examples.

The 43X's grip width is the feature owners talk about most. The slim profile makes it easy to carry all day and comfortable for smaller hands. People who pocket- or appendix-carry specifically seek this out. Reliability complaints are rare; most owners report smooth function through a wide range of 9mm loads.

Accuracy reports are generally good at self-defense distances. The white-dot sights work well enough for most users, though some swap them out for night sights early on.

The 10-round capacity draws the most criticism. Owners who moved from a double-stack gun feel the step down, though most accept it as the tradeoff for the thinner grip. The trigger gets mixed reviews. It functions fine but isn't as crisp as aftermarket or higher-spec alternatives, which matters more to competition shooters than to carry-focused buyers. The Gold Elite finish adds to the price, and some buyers feel that premium over a standard 43X is hard to justify on function alone, since the mechanics are identical.