Description
The GLOCK G34 GEN4 MOS is a purpose-built competition and duty pistol designed for shooters who demand maximum sight radius and optic-ready capability. With its extended slide and barrel, it delivers enhanced accuracy and a smooth shooting experience, making it a top choice for USPSA Production division and tactical applications. Since we started stocking it in fall 2025, it has consistently been one of our steady sellers, especially popular for weekend range day purchases.
Why This One?
- MOS (Modular Optic System) Platform: The integrated mounting system allows for the direct attachment of popular micro red dot sights without requiring custom slide milling.
- Competition-Ready Barrel & Sight Radius: The 5.31-inch barrel and extended slide provide a longer sight radius for improved precision and a balanced feel that aids in recoil management.
- GEN4 Enhancements: Features include multiple backstrap options for customizable grip size, a dual recoil spring assembly for reduced felt recoil, and the improved RTF (Rough Textured Finish) frame.
- Proven Reliability: Built on the legendary GLOCK safe action system, it maintains the same durability and dependability expected from the platform, even with extended use.
- Versatile Application: While optimized for competition, its capacity and accuracy make it a serious option for home defense or tactical use, especially when paired with an optic and weapon light.
Full Spec Sheet
| Model | G34 GEN4 MOS |
| Caliber | 9x19mm |
| Barrel Length | 5.31 in |
| Overall Length | 8.82 in |
| Height | 5.47 in |
| Weight (measured) | 0.7 oz |
| Magazine Capacity | 17 Rounds (Standard) |
| Sights | Adjustable GLOCK Sport/Competition Sights (MOS models ship without an optic plate installed) |
Q & A
What optics plates are included with the G34 MOS?
The pistol comes with a set of adapter plates (01-04) to fit most major micro red dot footprints, including Trijicon RMR, Leupold DeltaPoint Pro, C-More STS, and Docter/Noblex sights. You must select and install the correct plate for your specific optic.
Is this model California compliant?
No. The GLOCK G34 GEN4 MOS is not on the California DOJ roster of approved handguns and cannot be sold new to residents of California.
How does the G34 compare to the G17 for practical use?
The G34 offers a longer sight radius and slightly heavier slide, which can improve accuracy and reduce muzzle flip for faster follow-up shots. The G17 is more compact and may be preferred for concealed carry. The G34’s length makes it ideal for competition, duty, or home defense where concealment is not a primary concern.
✅ Orders ship within one business day
✅ Discreet, unmarked shipping
✅ Hassle-free 30-day returns
✅ Your payment data is never stored
Reviews
There are no reviews yet.