SIG SAUER P320 XFULL – 9mm, 4.7″ Barrel, X-Series Full-Size Grip Module, 10-Round
The SIG SAUER P320 XFULL is a premium striker-fired, semi-automatic pistol designed for maximum shootability, accuracy, and control. Chambered in 9mm Luger, the XFULL configuration combines a full-size slide and barrel with SIG SAUER’s enhanced X-Series grip module, delivering improved ergonomics and a competition-inspired shooting experience.
Built on the modular P320 fire control unit (FCU) system, the XFULL allows customization through interchangeable grip modules and compatible components. The pistol features a 4.7-inch barrel, Nitron®-finished stainless steel slide, and an extended sight radius for improved accuracy and target tracking.
The X-Series grip module provides an enhanced beavertail, undercut trigger guard, aggressive texture, and improved hand positioning for better recoil control. Equipped with X-RAY3 day/night sights, a flat-faced trigger, and a full-size accessory rail, the P320 XFULL is optimized for range performance, training, competition, and other lawful shooting applications.
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | SIG SAUER |
| Model | P320 XFULL |
| Caliber | 9mm Luger |
| Action | Semi-Automatic |
| Operating System | Striker-Fired |
| Barrel Length | 4.7 inches |
| Barrel Material | Carbon Steel |
| Slide Material | Stainless Steel |
| Slide Finish | Nitron® |
| Frame Material | Polymer X-Series Grip Module |
| Fire Control Unit | Serialized Modular FCU |
| Capacity | 10+1 Rounds |
| Magazine | 10-Round Magazine |
| Trigger | X-Series Flat Trigger |
| Sights | X-RAY3 Day/Night Sights |
| Safety | Internal Safety Systems |
| Accessory Rail | MIL-STD-1913 Picatinny Rail |
| Grip Module | XFULL Full-Size Grip Module |
| Optics Ready | Configuration Dependent |
| Overall Length | Approximately 8.2 inches |
| Overall Height | Approximately 5.5 inches |
| Overall Width | Approximately 1.3 inches |
| Sight Radius | Approximately 6.6 inches |
| Weight | Approximately 29.5 oz (with magazine) |
Key Features
- Chambered in 9mm Luger
- Full-size 4.7-inch barrel
- Enhanced X-Series full-size grip module
- Flat-faced X-Series trigger
- X-RAY3 day/night sights
- Modular P320 FCU platform
- Nitron® stainless steel slide finish
- Full-length accessory rail
- Optics-ready capability (model dependent)
- 10-round magazine configuration
- Excellent balance of accuracy, ergonomics, and customization
The SIG SAUER P320 XFULL is designed for shooters who want a full-size pistol with upgraded handling characteristics, a refined trigger system, and the flexibility of SIG’s modular P320 platform.



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