GLOCK 19 GEN 4 MOS for Sale
Browse GLOCK 19 GEN 4 MOS listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The Glock 19 Gen 4 MOS is a compact handgun introduced to improve modularity and grip ergonomics. It features a modular optic system (MOS) for easy red dot sight mounting and a versatile design favored for concealed carry and law enforcement. It remains a top seller for its balance of size, capacity, and reliability.
Why It's a Top Choice
- Proven Glock reliability and durability
- Modular Optic System for versatile sight options
- Interchangeable backstraps for customized grip
- Compact size suitable for carry and duty
- Wide aftermarket support and accessories
Key Variants
Glock 19 Gen 5
Latest generation with improved trigger and ambidextrous controls, ideal for all users seeking refined performance.
Glock 19 Gen 3
Classic and widely trusted model with a solid track record among law enforcement and civilians.
Glock 19X
Crossover 19/17 frame combining duty-size grip with compact slide, suited for duty and carry.
Competitor Comparison Table
| Feature | Glock 19 Gen 4 MOS | Sig P320 | Smith & Wesson M&P Shield |
|---|---|---|---|
| MSRP | $650 | $600 | $500 |
| Capacity/Size | 15+1 rounds, compact | 17+1 rounds, compact | 7+1 or 8+1 rounds, subcompact |
| Weight | 30.16 oz | 29.2 oz | 20.7 oz |
| Optics-Ready | Yes (MOS plate) | Yes (modular optic slide) | No |
| Trigger Type | Safe Action | Striker-fired | Striker-fired |
| Notable Pro | Modular optic system | Modular fire control unit | Slim profile |
| Notable Con | Grip texture less aggressive | Heavier trigger pull | Lower capacity |
Best Use Cases
- Concealed carry and personal defense
- Law enforcement and duty sidearm
- Range training and target practice
- Home defense
- General concealed/duty handgun applications
FAQs
Can I mount a red dot sight on the Glock 19 Gen 4 MOS?
Yes, the Gen 4 MOS model includes a factory-milled slide and adapter plates compatible with most popular red dot sights.
What is the magazine capacity of the Glock 19 Gen 4 MOS?
It standardly holds 15 rounds of 9mm ammunition with a single-stack compact magazine.
How does the Gen 4 MOS differ from earlier Glock 19 models?
The Gen 4 adds interchangeable backstraps for grip customization and MOS for optics, improving user adaptability.
