Sig Sauer P320-SXG | 9mm | 3.9in | 3x21rd | 320SXGF-9-CW-RES

The Sig Sauer P320-SXG Reserve is a metal-frame, striker-fired pistol offered as part of SIG’s Reserve Collection. This example is chambered in 9mm Luger and features a 3.9-inch compensated barrel, XRay3 day/night sights, and three 21-round magazines for extended range sessions. The pistol is optic-ready on an RMR/SRO footprint; a compact red-dot such as a Trijicon RMR is a compatible choice under $1000 for users who want a durable, proven sighting solution.

Applications: competition shooting and range training.

Product Specifications

• The manufacturer is Sig Sauer.
• The model is listed as P320-SXG Reserve.
• The manufacturer’s part number is 320SXGF-9-CW-RES.
• The caliber is 9mm Luger.
• The barrel measures 3.9 inches.
• The overall length is 8.2 inches.
• The weight is 46.2 oz with magazine.
• The magazine capacity is 21 rounds.
• The product includes three 21-round magazines.
• The optic footprint is RMR/SRO standard and the slide is listed as optics-ready.
• The sights are XRay3 day/night front and rear sights.
• The frame material is listed as stainless steel.
• The accessory rail is M1913 (Picatinny).
• The UPC is 798681692620.

The P320-SXG Reserve pairs metal-frame robustness with upgraded sights and a compensator-upgraded barrel to support high-capacity range sessions and competitive formats. Its optic-ready slide and large-capacity magazines make it suitable for shooters prioritizing follow-up speed and sighting consistency. The Reserve Collection styling and finish details differentiate this model within the P320 family while maintaining the platform’s modular ergonomics and striker-fired trigger design.

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