SIG SAUER P320 Subcompact – 9mm Luger, 3.6″ Barrel, Nitron Finish, 12-Round
The SIG SAUER P320 Subcompact 9mm Luger is a compact striker-fired, semi-automatic pistol built on SIG SAUER’s modular P320 platform. Designed for maximum portability while maintaining the reliability and ergonomics of the P320 family, the Subcompact configuration features a shortened slide and grip module for a smaller overall footprint.
The pistol features a 3.6-inch barrel, a durable Nitron®-finished stainless steel slide, and a compact polymer grip module that provides a comfortable shooting grip while reducing overall size. Like other P320 models, the Subcompact uses SIG SAUER’s serialized fire control unit (FCU) system, allowing compatibility with a wide range of P320 components and configurations.
Equipped with contrast sights, a smooth striker-fired trigger system, and SIG’s modular design, the P320 Subcompact delivers a balance of concealability, control, and performance. Its 12-round 9mm magazine capacity makes it a practical option for shooters looking for a compact P320 platform.
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | SIG SAUER |
| Model | P320 Subcompact |
| Caliber | 9mm Luger |
| Action | Semi-Automatic |
| Operating System | Striker-Fired |
| Barrel Length | 3.6 inches |
| Barrel Material | Stainless Steel |
| Slide Material | Stainless Steel |
| Slide Finish | Nitron® |
| Frame Material | Polymer Grip Module |
| Fire Control Unit | Serialized Modular FCU |
| Capacity | 12+1 Rounds |
| Magazine | 12-Round Magazine |
| Sights | Contrast Sights |
| Trigger | Striker-Fired Factory Trigger |
| Safety | Internal Safety Systems |
| Accessory Rail | MIL-STD-1913 Picatinny Rail (configuration dependent) |
| Grip Module | Subcompact Polymer Grip Module |
| Overall Length | Approximately 6.7 inches |
| Overall Height | Approximately 4.7 inches |
| Overall Width | Approximately 1.3 inches |
| Weight | Approximately 24 oz |
Key Features
- Chambered in 9mm Luger
- Compact 3.6-inch barrel
- Durable Nitron® stainless steel slide
- Modular SIG P320 FCU platform
- Striker-fired operating system
- 12-round magazine capacity
- High-visibility contrast sights
- Compact polymer grip module
- Interchangeable P320 components
- Lightweight and easy-to-handle design
The SIG SAUER P320 Subcompact 9mm offers the modularity and reliability of the P320 platform in a smaller package, providing a compact option for shooters who prefer reduced dimensions without moving away from the P320 system.



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