The SIG Sauer P320-XFIVE DH3 is a striker-fired 9mm pistol built around competition specs. It has a 5-inch match-grade bull barrel, a 43.5 oz weight driven largely by the TXG tungsten-infused grip module, and a 21+1 capacity with three 21-round steel magazines included. The slide is optic-ready with suppressor-height X-RAY3 day/night sights installed. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model: P320X5 DH3 
• Action: Striker Fired / Semi-Automatic 
• Caliber: 9mm Luger (9x19 Para) 
• Barrel Length: 5 inches 
• Capacity: 21+1 rounds 
• Weight: 43.5 oz (2.71 lbs) 
• Finish: Cerakoted Coyote Tan 
• Sights: X-RAY3 Suppressor height day/night sights 
• Grip Material: TXG tungsten-infused heavy XFULL grip module 
• Includes Magazines: Three 21-round steel magazines 
   

Detailed Features 

 
The TXG grip module adds mass low in the frame, which keeps the muzzle down during rapid fire. The match-grade bull barrel is carbon steel with tight tolerances. Serrations on the optic-ready slide give good purchase for manipulations. The Picatinny accessory rail on the frame accepts lights and lasers. The X-RAY3 sights are tall enough to co-witness with most red dot footprints if you don't mill the slide. 
 

Usage Scenarios 

• Competition: The 5-inch barrel, heavy grip module, and optic-ready slide are purpose-built for USPSA/IDPA open or carry-optics divisions. 
• Home Defense: 21+1 capacity, night sights, and a rail-equipped frame cover home defense requirements. 
• Range Use: The weight absorbs recoil noticeably at a long session.

The P320-XFIVE DH3 generates the most discussion around the TXG grip module. Shooters who've compared it to lighter pistols consistently report that the added mass reduces muzzle flip and makes splits faster. The grip texture is widely liked for control without tearing up hands.

The optic-ready feature draws significant interest from the red dot community. Most owners run a dot on it, and the suppressor-height X-RAY3 sights function well as backup. Modularity within the P320 system is another common topic since grip modules and slides can be swapped across the platform.

Pricing comes up in most threads. The DH3 sits at the higher end of the P320 lineup, and some buyers debate whether the tungsten module and included magazines justify the premium over a base XFIVE. SIG customer service gets mixed reviews. Warranty work is generally covered, but turnaround times and communication vary. Recoil management for extended range sessions is consistently positive.