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Quick Look

The Glock 20 MOS Gen5, introduced by Glock in the mid-2010s, is a powerful 10mm pistol designed for durability and adaptability. Its design focuses on reliability and modularity with the MOS system for optic mounting. Today, it is favored among enthusiasts seeking robust semi-autos for defense and outdoors use.

Why It's a Top Choice

Robust 10mm Auto caliber for power and penetration
Modular Optic System (MOS) for easy red dot installation
Durable Gen5 features including nDLC finish
Improved ergonomics with ambidextrous slide stop
High capacity standard 15-round magazines

Key Variants

Glock 20 MOS Gen5

Ideal for shooters wanting reliable 10mm power with optic-ready flexibility and Gen5 enhancements.

Competitor Comparison Table

Feature	Glock 20 MOS Gen5	Sig Sauer P226	Smith & Wesson 2022
MSRP	$720	$1,100	$750
Capacity/Size	15 rounds, full-size	15 rounds, full-size	17 rounds, full-size
Weight	28.28 oz (unloaded)	34 oz (unloaded)	27 oz (unloaded)
Optics-Ready	Yes (MOS system)	No (with some models yes)	No
Trigger Type	Safe Action	Double Action / Single Action	Striker-fired
Notable Pro	Strong 10mm power and modular optics	Proven military and law enforcement use	High capacity with ergonomic upgrades
Notable Con	Heavier recoil than 9mm pistols	More complex trigger system	Less optic-ready options

Best Use Cases

Self-defense with high stopping power
Hunting medium to large game
Outdoor and survival applications
Range practice with robust caliber
Collection for Gen5 firearm enthusiasts

FAQs

Can I mount red dot optics on the Glock 20 MOS Gen5?

Yes, the MOS system enables easy installation of compatible red dot sights directly on the slide.

What is the magazine capacity of the Glock 20 MOS Gen5?

It comes standard with 15-round magazines chambered in 10mm Auto.

How does the recoil of 10mm Auto compare to 9mm?

The 10mm Auto in the Glock 20 MOS Gen5 produces noticeably more recoil than 9mm pistols, offering greater power but requiring more control.

GLOCK G20 MOS GEN5 for Sale