Description
The Glock 31 Gen4 is a full-size duty pistol chambered in the high-performance .357 SIG cartridge. Manufactured by GLOCK Ges.m.b.H., this model features the Gen4 dual-recoil spring system and interchangeable backstraps for improved ergonomics and control. Its durable polymer frame is paired with a Tenifer-finished steel slide, offering exceptional corrosion resistance and reliability for law enforcement, defense, and sport shooting applications.
Key Features
- Chambered in the flat-shooting .357 SIG caliber for superior terminal ballistics.
- Gen4 dual-recoil spring assembly reduces felt recoil and extends component life.
- Modular backstrap system allows adjustment of grip circumference and trigger reach.
- Standard 15-round magazine capacity provides ample firepower.
- Rough Textured Frame (RTF) and finger grooves enhance grip security.
Specifications
| Caliber / Type | .357 SIG Semi-Automatic Pistol |
|---|---|
| Material | Polymer Frame, Steel Slide |
| Finish | Tenifer (nitrocarburized) |
| Compatibility | Glock 31 Gen4 Models |
| Weight | 27.51 oz (Unloaded) |
The .357 SIG cartridge delivers ballistic performance similar to a .357 Magnum revolver from an auto-loading platform, achieving high velocity and reliable barrier penetration. The Gen4 recoil system manages the cartridge’s sharp recoil impulse, improving shooter speed and accuracy. This pistol’s design prioritizes consistent ignition under adverse conditions, making it a proven choice for duty and defensive use where power and reliability are non-negotiable.
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