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Quick Look

The Glock 43 MOS builds on the original G43, Glock's ultra-concealable single-stack 9mm launched in 2015. Designed for discreet carry, the MOS variant adds modularity by supporting micro reflex optics. The G43 MOS is gaining popularity among EDC users seeking optics-ready performance in a slim profile.

Why It's a Top Choice

Ultra-slim profile ideal for deep concealment
MOS system supports popular micro red dots
Glock durability and consistent trigger pull
Compatible with aftermarket G43 accessories
Trusted by armed citizens and professionals

Key Variants

Glock 43

The original ultra-compact 9mm single-stack pistol for everyday carry.

Glock 43X

Provides a longer grip and higher capacity while staying slim and concealable.

Glock 43X MOS

Blends optical compatibility with the 43X's improved control and capacity.

Glock 48 MOS

Enhanced slide and barrel length with an optics-ready platform and slim design.

Competitor Comparison Table

Feature	Glock 43 MOS	Sig Sauer P365X	Smith & Wesson Shield Plus OR
MSRP	$582	$649	$549
Capacity	6+1	12+1	13+1
Weight	17.8 oz	20.7 oz	20.2 oz
Optics-ready	Yes	Yes	Yes
Trigger type	Safe Action	Striker	Flat-face Striker
Notable pro	Extremely slim and reliable	High capacity in micro frame	Excellent factory trigger
Notable con	Low capacity compared to peers	Slightly bulkier grip	Heavier than competitors

Best Use Cases

Concealed carry
Backup duty weapon
Home defense
Range training

FAQs

Can I mount any micro red dot on the Glock 43 MOS?

The Glock 43 MOS uses the Shield RMSc footprint and is compatible with optics like the Holosun 507K.

What is the magazine capacity of the Glock 43 MOS?

From the factory, it holds 6+1 rounds of 9mm, with aftermarket options offering more.

How does the Glock 43 MOS compare to the Glock 43X MOS?

The 43 MOS is slimmer and slightly lighter, while the 43X MOS offers a longer grip and higher capacity.

GLOCK 43 MOS for Sale