The Sig Sauer TXG X-Series grip module is a small-profile replacement module for the P320 platform that uses a tungsten-infused heavy polymer for added mass and polymer flexibility. The patent-pending manufacturing process embeds tungsten in the polymer to increase the module’s weight while retaining polymer characteristics. This grip module requires a complete P320 Fire Control Unit and an X5 or full-size slide assembly for a complete pistol build; the magwell and internal weight are not included.
Key Specifications
- Designed for the P320 Fire Control Unit and P320 platform.
- The grip module size is Small.
- The grip material is tungsten-infused polymer.
- The frame finish is Gray.
- The grip module overall weight is 13.3 oz.
- Total weight when combined with magwell and internal weight is 16.6 oz (magwell/weight not included).
- Fits full-size P320 (4.70″) frame/slide assemblies.
- Compatible with new-style SIG magazines that have a circular SIG logo and square locking tab on the basepad.
- Magwell and internal weight are not included with this module.
- Requires P320 Fire Control Unit and X5 or full-size slide assembly to complete the firearm.
The TXG grip module offers a direct, no-nonsense upgrade path for P320 owners seeking added mass in a factory-designed polymer module. With its tungsten-infused construction and small grip profile, it balances added weight with the durability and ergonomics expected from the X-Series line, making it a practical choice for shooters building or customizing a full-size P320 setup.
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