The SIG SAUER P320-XFIVE LEGION is a competition-ready, full-size pistol module designed for the P320 Fire Control Unit (FCU). Manufactured by SIG SAUER, it features a TXG tungsten-infused polymer grip module for reduced recoil and a Legion Gray PVD-coated stainless steel slide. This complete upper assembly is engineered for shooters seeking a premium upgrade to their P320 platform, offering enhanced weight and ergonomics for competitive use.
Key Features
- TXG tungsten-infused polymer grip module for superior weight and balance
- Legion Gray PVD-coated stainless steel slide with front and rear serrations
- Integrated optics-ready system for direct mounting of ROMEO1PRO and DPP optics
- Includes X-RAY3 Day/Night sights and a 17-round magazine
- Designed with a flared magwell for faster reloads in competition settings
Specifications
| Material | Tungsten-infused polymer grip; Stainless steel slide |
|---|---|
| Finish | Legion Gray PVD coating |
| Compatibility | SIG P320 FCU (Full-size) |
| Installation | Drop-in assembly with compatible P320 FCU |
| Weight | N/A |
The P320-XFIVE LEGION’s performance stems from its mass-balancing TXG module, which significantly increases frame weight to mitigate muzzle rise. This system is designed for the 9mm P320 FCU, creating a stable platform for competitive shooting. As a complete factory upper, it offers a reliable, high-performance build path. Builders must ensure compliance with all federal, state, and local laws regarding firearm assembly.





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