Description
Sig took everything people liked about the XSeries pistols and shrunk it down without losing the feel, and that's really the whole story of the P320 X-Compact. The redesigned XSeries polymer grip module is the star here. It has a reduced fastback carry cut so it won't print like a brick under a shirt, a low-profile internal magwell for quicker reloads, an extended beavertail, and a high undercut trigger guard that lets you choke way up on the gun. Get your hand that close to the bore axis and the 9mm recoil impulse flattens out noticeably, which is why so many folks who try one end up buying one.
Optic Ready Out of the Box
The Nitron-finished slide on this X-Compact wears a Pro-Cut optic mounting system, so you can run a ROMEO1PRO, ROMEO2, or DeltaPoint Pro footprint red dot while keeping a rear sight on the gun. Until you add glass, the XRAY3 day/night sights have you covered. They give you a bright, easy-to-find front dot in daylight and glowing tritium when the lights go out, which is exactly what you want on a pistol that might ride with you every day. Enhanced slide serrations front and rear make press checks and racking simple, even with sweaty hands or gloves.
The P320 Platform Advantage
Because this is a P320, the serialized fire control unit drops out of the grip module, so you can swap grips or build the gun into different configurations down the road. The flat X straight trigger breaks clean and gives your finger a consistent placement point shot after shot. Underneath, an M1913 rail accepts lights and lasers without any adapter fuss.
Carrying the X-Compact Day to Day
With a 3.6 inch carbon steel barrel, 7 inch overall length, and a weight around 25 ounces, this pistol sits in that sweet spot where it conceals well but still fills the hand for confident range sessions. This version ships with two 10-round steel magazines for a 10+1 capacity. It's a smart pick for concealed carry, home defense, or anyone who wants one 9mm that does a little bit of everything well.
Key Specifications
- Manufacturer: Sig Sauer
- Model: P320 X-Compact
- MPN: 320XC-9-BXR3P-R2-10
- UPC: 798681663637
- Caliber: 9mm Luger
- Action: Striker Fired
- Capacity: 10+1
- Barrel Length: 3.6 in
- Barrel Material: Carbon Steel
- Overall Length: 7.0 in
- Weight: 25.3 oz
- Slide Finish: Nitron, Optic Ready with Enhanced Serrations
- Sights: XRAY3 Day/Night Sights
- Trigger: X Straight Trigger
- Grip Module: XCompact Polymer, Medium
- Accessory Rail: M1913
What’s Included
- Sig Sauer P320 X-Compact 9mm pistol
- Two 10-round steel magazines
- Owner's manual
- Lockable hard case
Frequently Asked Questions
What red dot optics fit the Sig P320 X-Compact?
The slide is cut for the ROMEO1PRO footprint, which also covers the Sig ROMEO2 and Leupold DeltaPoint Pro. The Pro-Cut mounting setup lets you keep a rear sight installed alongside your optic, so you have a backup if the dot ever goes down. No optic is included, and the gun ships with a cover plate installed.
Does the P320 X-Compact come with night sights?
Yes. It ships with Sig's XRAY3 day/night sights, which pair a high-visibility front dot for daylight shooting with tritium inserts that glow in low light. That means the gun is ready for carry duty right out of the box, even before you add a red dot.
Will larger P320 magazines work in the X-Compact?
They will. The X-Compact accepts standard P320 Compact 15-round and full-size 17-round magazines, so you can run higher capacity mags as spares or for range use. This particular version includes two 10-round steel magazines in the box.
How is the X-Compact different from a standard P320 Compact?
The X-Compact uses the upgraded XSeries grip module with a higher undercut trigger guard, extended beavertail, carry cut, and built-in magwell, plus the flat X straight trigger instead of the curved factory trigger. You also get the optic-ready XSeries slide and XRAY3 sights standard. It shoots noticeably flatter and points more naturally for most hands.





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