SIG P320 XTEN 10MM | 5″ Barrel | XRAY3 | 320X510BXR3R210

The SIG Sauer P320 XTEN is a 10mm semi-automatic pistol offered with a 5″ barrel and XRAY3 day/night sights. The pistol ships optic-ready with a slide cut and Sig Romeo2 footprint compatible mounting, and includes two 10-round steel magazines. A redesigned X-series polymer grip module and flat X trigger are provided to manage recoil and improve ergonomics for the 10mm cartridge.

For an optic under $1,000 that matches the pistol’s footprint and intended use, the SIG Romeo2 reflex sight pairs directly with the XTEN slide and maintains a compact profile suitable for both range work and field carry.

Product Specifications

• The caliber is 10mm.
• The barrel measures 5 inches.
• The barrel material is carbon steel.
• The finish is Nitron (black).
• The slide is optic-ready with serrations and compatible with a Sig Romeo2 footprint.
• The sights are XRAY3 day/night.
• The trigger is a XSeries Flat.
• The grip module is black polymer X grip.
• The action is striker fired.
• Capacity is 10 rounds.
• Includes two 10-round steel magazines.
• The overall length is 8.50 inches.
• The weight is 33 oz.
• The width is 1.30 inches and the height is 5.60 inches.
• The UPC is 798681697694.

The P320 XTEN is built for shooters who want a full-size 10mm platform with modern ergonomics and an optic-ready slide. Its 5″ barrel and XRAY3 sights make it well suited to hunting and range-focused training, and the polymer X grip and flat trigger provide consistent handling across varied loads. This configuration balances controllability with the power of the 10mm cartridge for practical use in the field and on the range.

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