GEN 4 GLOCK ALL for Sale
Browse Gen 4 GLOCK ALL listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The Gen 4 Glock line, introduced in 2010, updated Glock’s proven platform with modular features. Designed for improved ergonomics and adaptability, Gen 4 models appeal to professionals and civilians alike. Today, they remain widely available on the used market and popular among Glock enthusiasts.
Why It's a Top Choice
- Modular backstrap system for custom grip fit
- Dual recoil spring reduces felt recoil
- Rough Textured Frame (RTF) enhances grip traction
- Large aftermarket support across holsters and parts
- Widely adopted by law enforcement worldwide
Key Variants
Glock 17 Gen 4
Full-size 9mm model, ideal for duty carry, training, and home defense use.
Glock 19 Gen 4
Compact 9mm option balancing concealability and shootability—popular for CCW.
Glock 22 Gen 4
Chambered in .40 S&W, widely issued among police departments.
Glock 26 Gen 4
Subcompact 9mm designed for deep concealment and backup roles.
Glock 21 Gen 4
Full-size .45 ACP format for those preferring a heavier caliber.
Competitor Comparison Table
| Feature | Gen 4 Glock | Smith & Wesson M&P 9 M2.0 | Sig Sauer P320 |
|---|---|---|---|
| MSRP | $550 | $600 | $650 |
| Capacity | 15-17 rounds | 15-17 rounds | 15-17 rounds |
| Weight | ~23 oz (G19 Gen 4) | ~25 oz | ~26 oz |
| Optics-Ready | No (except MOS models) | Some variants | Yes |
| Trigger Type | Striker-fired (~5.5 lb) | Striker-fired | Modular striker-fired |
| Notable Pro | Legendary reliability and ease of use | Excellent ergonomics and grip texture | Fully modular fire control group |
| Notable Con | No optics cut unless MOS | Heavier recoil feel | Bulkier than similar-sized pistols |
Best Use Cases
- Concealed carry with G19 or G26
- Duty or service firearm (G17, G22)
- Home defense with full-size frame
- Training and range practice
- Firearms collection completeness
FAQs
What is the difference between Gen 4 and Gen 5 Glock pistols?
Gen 5 models removed finger grooves, updated internals, and often come optics-ready. Gen 4 retains grooves and earlier internals.
Can I use Gen 3 Glock magazines in a Gen 4 pistol?
Yes, Gen 3 mags work in Gen 4 Glocks unless you've reversed the mag release.
How does the dual recoil spring in Gen 4 models benefit shooting?
It helps reduce felt recoil and improve longevity, especially in compact models like the Glock 19 Gen 4.
Prefer nearby results? Toggle to search local listings.


