The Sig Sauer P320 TXG full-size medium grip module is a replacement grip module engineered for use with Sig P320 fire control units. The module is formed from tungsten-infused polymer using a patent-pending process that aims to combine the mass of steel with the flex characteristics of polymer. It is supplied in a matte gray finish intended for use with full-size and X5 slide assemblies. Installation requires a complete P320 Fire Control Unit; this product is a grip module/assembly rather than a complete firearm.
Key Specifications
- The brand is Sig Sauer.
- The model designation is P320 TXG.
- This module fits full-size Sig P320 configurations and pairs with X5 or full-size slide assemblies.
- The listed caliber association is 9mm Luger.
- The construction uses tungsten-infused polymer to increase mass while retaining polymer flex.
- The finish/color is specified as gray (matte).
- The product type is a grip module (frame assembly).
- The size classification is full size.
- The style is noted as X-Series / TXG.
- Magazine compatibility notes reference X-Series magazine fitment requiring newer-style magazines with the circular SIG SAUER logo and square locking tab on the basepad.
The TXG grip module is aimed at shooters who prefer a heavier, stable grip platform without losing the resilience of polymer components. Its tungsten-infused construction and X-Series profile make it a practical choice for range-focused and precision-oriented builds where modularity and improved mass distribution are priorities.
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