About the Sig Sauer P320 X-Series Full-Size Grip Module
Replacement full-size P320 X-Series Full-Size Grip Module for the modular Sig P320. Drop in a P320 FCU to set up the pistol in this frame size and grip size.
Key Features
- Accepts the P320 fire control unit (FCU), letting you change frame size or grip feel without a new serialized part
- Large grip circumference
- Compatible with P320 9mm, .40 S&W and .357 Sig configurations
- X-Series grip profile
- Compatible with Sig removable grip weight and magwell (sold separately)
Specifications
| Model | P320 |
| Frame Size | Full-Size (full-length grip and dust cover) |
| Grip Size | Large |
| Caliber | 9mm, .40 S&W, .357 Sig |
| Manual Safety | No |
| Material | Polymer |
| Color | Black |
| Removable Grip Weight Compatible | Yes (weight/magwell sold separately) |
| Serialized | No (not the serialized part; the FCU is the serialized/FFL component) |
| Requires | P320 Fire Control Unit (FCU), plus matching-size slide, barrel and magazines |
| Fits | P320 |
| Part Number | GRIP-MODX-F-943-LG-BLK |
FAQ
What does it fit?
It fits the Sig Sauer P320.
Where can I buy it?
Order online or visit Black Bayou Armory in Benton, LA.






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