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The P320 SXG Reserve is Sig Sauer's answer to a simple question: what happens when you take one of the most proven striker-fired platforms on the market and build it to luxury spec? The result is a small-batch, limited-edition pistol that combines the field-tested reliability of the P320 with a full all-steel construction and a high-gloss Diamond-Like Carbon finish that covers everything from the frame and slide to the flat-face trigger. It's a striking piece that doesn't sacrifice a single bit of function to get there.
The SXG name stands for Stainless X-Grip, and the heavy stainless steel grip module is one of the biggest reasons this gun shoots so well. That added weight up front naturally dampens felt recoil, and the integrated compensator in the slide works right alongside it to reduce muzzle rise and help you get back on target faster. The GridLOK high-polish grip panels complete the package with a secure, ergonomic hold that feels polished without being slick. The flat-face trigger delivers a clean, consistent break, which is exactly what you want whether you're shooting casually at the range or pushing the gun hard in a training session.
The slide is optic-ready with a PRO footprint, so mounting a micro red dot is straightforward without any trips to a gunsmith. From the factory, Sig equips this pistol with XRAY3 Day/Night sights, which combine tritium with a high-visibility front sight for confident target acquisition in any lighting condition. The beavertail frame adds comfort during extended sessions and helps keep your grip consistent shot to shot.
This is the 10+1 capacity variant (MPN: 320SXGF-9-CW-RES-10), which ships with a 10-round magazine. It shares every premium feature of the standard SXG Reserve, and standard P320 9mm magazines are compatible if you want to run higher-capacity options at the range. The Reserve Collection is produced in limited quantities, so availability on pieces like this tends to be short-lived.
The SXG Reserve is built on an all-steel frame using the stainless SXG grip module, which adds significant weight compared to the standard polymer frame. That extra mass, combined with an integrated compensator in the slide, produces noticeably flatter shooting and faster shot-to-shot recovery. It also carries the Reserve Collection's high-polish DLC treatment across the frame, slide, and trigger, setting it apart aesthetically from anything in Sig's regular lineup.
Yes. The Reserve Collection is a line of small-batch pistols produced by Sig Sauer in limited quantities. These aren't permanent catalog items, and once they're gone, they're typically gone for good. If you've been on the fence about picking one up, availability tends to be shorter than with standard production models.
The 10+1 SKU ships with a single 10-round magazine, but the P320 SXG Reserve uses standard P320 9mm double-stack magazines. Full-capacity P320 magazines are widely available and compatible with this pistol, so running larger magazines at the range is not an issue.
Yes. The slide is cut with Sig's PRO optic footprint, which is compatible with a wide range of popular micro red dot sights. No additional machining is needed. It also ships from the factory with XRAY3 Day/Night sights, so it's completely functional out of the box even before adding an optic.
The compensator is built directly into the slide as an integrated expansion chamber rather than a threaded muzzle device. As the round fires, propellant gases are redirected upward through the chamber, counteracting muzzle rise. Combined with the natural weight of the steel SXG frame, this makes the pistol shoot noticeably flatter and helps get the sights back on target more quickly for follow-up shots.
Sig fits the SXG Reserve with XRAY3 Day/Night sights from the factory. These combine a tritium front sight insert with a high-visibility green ring that works well in both bright light and low-light conditions. They're a solid set of irons that many people are happy to run long-term, even after adding a red dot.
| UPC | 798681729364 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 320SXGF-9-CW-RES-10 |
| Action | |
| Barrel Length | 3.9" |
| Caliber/Gauge | 9mm |
| Capacity | 10 + 1 |
| Safety | No Manual |
| Slide Description | Integrated Compensator/Optic Ready/Serrated |
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