Description
The SIG Sauer P320-XCOMPACT is a modular, optics-ready 9mm pistol designed for concealed carry and duty use. It bridges the gap between full-size capacity and compact concealability, making it a top choice for both new shooters and experienced carriers. Since we started stocking it in mid-2024, it has consistently been one of our best-selling pistols in its class, with a notable sales spike every weekend as shooters pick one up after a range session.
Why This One?
- Modular FCU: The serialized Fire Control Unit is the heart of the system. It can be easily swapped into different grip modules and slides, allowing you to customize size, caliber, and feel without a new serialized firearm.
- Optics-Ready Slide: The slide comes cut from the factory for SIG’s ROMEO1PRO and Deltapoint Pro optics, with an adapter plate included for mounting other popular micro red dots.
- Superior Ergonomics: The XSeries grip module features aggressive texturing, an undercut trigger guard, and a high beavertail for a secure, high-handhold that reduces felt recoil.
- Flat XSeries Trigger: Features a short, crisp take-up, a clean break, and a short, positive reset for improved control and faster follow-up shots.
- Compact Size, Full-Size Performance: With a 3.6-inch barrel and a 15-round magazine capacity, it offers a highly shootable package that conceals easily without sacrificing firepower.
Full Spec Sheet
| Caliber | 9mm |
| Barrel Length | 3.6 in |
| Overall Length | 7.0 in |
| Height | 5.3 in |
| Width | 1.3 in |
| Weight (measured) | 2.7 oz |
| Magazine Capacity | 15+1 Rounds |
| Sights | X-RAY3 Day/Night Sights |
Q & A
Is this the same as the standard P320 Compact?
No. The XCOMPACT features the upgraded XSeries grip module with enhanced ergonomics and texture, the flat XSeries trigger, and an optics-ready slide cut. It is a more feature-rich version of the standard model.
What optics fit the slide cut?
The slide is cut specifically for the SIG ROMEO1PRO and Leupold Deltapoint Pro footprints. The included adapter plate allows you to mount optics using the Shield RMSc/JPoint footprint, which covers many popular micro dots like the Holosun 407K/507K and SIG ROMEOZero.
Can I use full-size P320 magazines in it?
Yes. The XCOMPACT accepts all standard P320 9mm magazines. Using a 17 or 21-round magazine will extend past the grip, providing a full-size grip option at the range or for home defense.
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