Glock G43X MOS | 9mm | 15+1 | PX4350B03FRMOS8A4

The GLOCK 43X MOS is a slim, sub-compact 9mm pistol with a polymer frame and an MOS-ready slide. This factory package includes an Aimpoint COA 3.5 MOA red dot and two 15-round magazines, providing a ready-to-use micro‑optic setup. For users seeking an alternate optic under $1,000, a compact red dot such as the Aimpoint PRO pairs well with the MOS footprint and durable slide. Common applications for this platform include everyday concealed carry and dedicated range practice.

Product Specifications

• The UPC is 764503073021.
• The manufacturer is Glock.
• The model is 43X MOS.
• The caliber is 9mm.
• The loaded capacity is 15 + 1.
• Included magazines are 2 x 15-Round.
• The frame material is Polymer.
• The frame finish / color is Black.
• The slide is described as serrated with optic cuts for MOS mounting.
• The factory accessory included is an Aimpoint COA 3.5 MOA red dot.
• The sights are fixed front and rear sights.
• The slide finish is nDLC.
• The overall length is 5.47 inches.
• The unloaded weight is 1.552 lbs.
• The muzzle is non-threaded.

The G43X MOS combines a slim Slimline profile with a user-friendly grip and a factory-mounted micro‑optic for immediate use on the range or in daily carry. Its polymer frame and GLOCK ergonomics yield consistent, repeatable handling while the MOS slide simplifies mounting compact red-dot sights. The two included 15-round magazines and basic accessories make this a practical out-of-the-case option for shooters who prioritize concealability and capacity.

Owners commonly cite the pistol’s comfortable, slim profile for concealment and its comfortably balanced grip as positive attributes, and many appreciate the inclusion of a factory Aimpoint COA red dot.

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