GLOCK 19 M.O.S. for Sale

Quick Look

The Glock 19 MOS was introduced to bring modular optics support to one of Glock's most popular platforms. It maintains the Glock 19's proven reliability while offering users the flexibility to mount reflex sights with ease. This model has gained widespread popularity among concealed carriers, law enforcement, and competition shooters alike.

Why It's a Top Choice

• Factory-cut slide for red dot optics
• Compact size balances concealability and control
• Legendary Glock reliability under all conditions
• Wide aftermarket support for sights and holsters
• Easy disassembly and low maintenance needs

Key Variants

Glock 19 Gen5 MOS

Rough textured frame and no finger grooves; tailored for shooters wanting the latest Gen5 features.

Glock 19 Gen4 MOS

Backstrap options and dual recoil spring system for reduced felt recoil and custom grip comfort.

Glock 19 Gen3 MOS

Older-generation compatibility and simple internals make this a favorite in states with roster restrictions.

Competitor Comparison

Feature	Glock 19 MOS	SIG Sauer P320 Compact	S&W M&P9 M2.0 Compact
MSRP	$600–$700	$650–$750	$620–$700
Capacity	15+1	15+1	15+1
Weight (unloaded)	23.8 oz	25.0 oz	25.9 oz
Optics-Ready	Yes	Yes	Yes
Trigger Type	Striker-fired, 5.5 lbs	Striker-fired, modular FCU	Striker-fired, flat-face
Notable Pro	Simplified optic mounting system	Modular grip/frame design	Excellent ergonomics and texture
Notable Con	No manual safety option	Heavier carry weight	Longer trigger reset

Best Use Cases

• Concealed carry
• Law enforcement duty use
• Home defense
• Competition shooting
• Everyday range training

FAQs

Can I mount a red dot directly on the Glock 19 MOS?

Yes, the slide is factory cut for mounting micro red dots using adapter plates included by Glock.

What is different in the Glock 19 Gen5 MOS compared to Gen4?

Gen5 adds a flared magwell, no finger grooves, improved barrel, and updated Glock Marksman Barrel (GMB).

How does the Glock 19 MOS perform for concealed carry?

Its compact size and balanced weight make it ideal for daily carry, even with an optic installed.