The Glock G43X is a semi-automatic compact pistol chambered in 9mm with a 3.39-inch barrel. It holds 10 rounds and is bundled here with an MOS8 rail and an Aimpoint COA optic in a Black finish. 
 

Key Specifications 

• Brand: Glock 
• Model: G43X 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 10 rounds 
• Barrel Length: 3.39 inches 
• Color/Finish: Black 
   

Detailed Features 

• 3.39-inch barrel in a slim single-stack-width frame 
• 10-round magazine capacity 
• MOS8 rail attachment included 
• Bundled with Aimpoint COA optic 
• Black finish

Owners of the Glock G43X consistently cite its slim profile and comfortable grip length as the reasons they chose it over other compact 9mm options. The 3.39-inch barrel hits a practical balance for carry, and the G43X frame feels more planted in the hand than the shorter G43 to most shooters.

The MOS optic-ready variant opens up direct optic mounting, and a bundle including an Aimpoint COA is attractive to buyers who want a usable sight solution without separate sourcing. Trigger opinions on the G43X mirror Glock in general: consistent but with a longer pre-travel than some prefer, and easily swapped by those who want different characteristics.

The 10-round capacity is the main recurring criticism, particularly against competing slim compacts that offer higher round counts at similar sizes. Magazine extensions are widely available and a common first purchase. Long-term reliability reports are strong, which is the expected baseline for the platform.