SIG P320 Grip Module X-Series Small, 9mm/40/357
SIG Sauer P320 Grip Module X-Series in small size for 9mm Luger, 40 S&W, and 357 Sig. Black polymer construction fits full-size P320 frames with 4.70-inch barrels.
Fits: SIG Sauer P320
SIG P320 Grip Module X-Series
This grip module assembly allows you to convert your existing P320 firing control unit into a full-size X-Series platform. It's a straightforward way to modernize your P320 without purchasing an entirely new pistol.
Compatibility and Installation
- Caliber Options: Compatible with 9mm Luger, 40 S&W, and 357 Sig when paired with appropriate slides and barrels
- Frame Size: Full-size configuration with 4.70-inch barrel length
- Material: Durable black polymer construction
- Magazine Compatibility: Works with SIG Mark baseplates only—not compatible with magazines bearing "SIG SAUER" text on the baseplate
What's Included
This grip module assembly does not include the extended magwell or internal weight system. You'll need your existing P320 firing control unit to complete the conversion.
Why Choose This Module
The X-Series platform represents SIG Sauer's refinement of the P320 design. By upgrading your grip module, you gain the ergonomic and handling improvements of the X-Series while maintaining your investment in your current firing control unit. This modular approach is one of the P320's greatest strengths—customize your pistol to match your preferences and mission requirements.
