Description
The Sig Sauer P320 XTen 10mm 5-inch Optic-Ready MS is a carry-style pistol that blends X-Series ergonomics with the power of a 10mm cartridge. It features a 5-inch bull barrel, an optic-ready slide, and comes with XRAY3 day/night sights and a flat XSeries trigger. This model includes a manual safety and two magazines, making it a practical choice for shooters who want controlled handling and modern features.
| Manufacturer | Sig Sauer |
|---|---|
| Model | P320 XTen |
| Material | Stainless steel slide, polymer grip module |
| Compatibility | Accepts SIG Sauer P320 XTen magazines (includes two 15-round magazines) |
| Finish | Nitron black slide, black polymer grip |
| Weight | 33.5 ounces (unloaded, per manufacturer specs) |
| Condition | New |
Key Features
- 5-Inch Bull Barrel – WHY IT MATTERS: A bull barrel adds weight forward, reducing muzzle flip and helping you stay on target for faster follow-up shots. The 5-inch length also boosts velocity for the 10mm cartridge, giving you more energy downrange.
- Optic-Ready Slide – WHY IT MATTERS: You can mount a red dot sight without sending the slide to a gunsmith. This makes it easier for newer shooters to acquire a sight picture quickly, especially in low-light conditions.
- XRAY3 Day/Night Sights – WHY IT MATTERS: These tritium sights glow in the dark and have a bright front dot for daytime use. They provide a clear sight picture whether you’re shooting at an indoor range or under the stars.
- Flat XSeries Trigger – WHY IT MATTERS: The flat face keeps your finger in a consistent position shot after shot, promoting a straight-back pull. This helps you maintain accuracy, especially when teaching new shooters proper trigger discipline.
- Manual Safety – WHY IT MATTERS: A manual safety adds an extra layer of security for family storage or when carrying around beginners. It lets you feel confident that the pistol won’t fire unless you deliberately disengage the safety.
Who It’s For
This pistol is designed for families who want a powerful home-defense option that’s still manageable for newer shooters. The 10mm round offers more stopping power than 9mm, but the X-Series grip and bull barrel help control recoil. It’s also a great choice for experienced shooters teaching their kids or spouses how to handle a larger caliber safely.
Pros and Cons
- Pros: Optic-ready from the factory, excellent XRAY3 sights for low-light use, flat trigger helps consistent shooting, manual safety for family safety, bull barrel reduces muzzle flip.
- Cons: The 10mm cartridge produces more felt recoil than 9mm, which may be too much for very young or petite shooters. Also, 10mm ammunition is generally more expensive and less common at retail stores than 9mm.
Comparison: Sig Sauer P320 XTen vs. Competitors
| Feature | Sig Sauer P320 XTen | Zev Technologies OZ9 | Agency Arms AOS G17 |
|---|---|---|---|
| Caliber | 10mm | 9mm | 9mm |
| Barrel Length | 5 inches (bull) | 4.5 inches | 5.22 inches |
| Optic Ready | Yes (factory) | Yes (factory) | Yes (Agency Optic System) |
| Manual Safety | Yes | No | No |
| Weight (unloaded) | 33.5 oz | 24.5 oz | 26.5 oz |
| Price | $846.33 | ~$1,200 | ~$1,500 |
FAQ
Is the Sig Sauer P320 XTen 10mm 5-inch Optic-Ready MS suitable for beginners?
Yes, with proper training. The bull barrel and X-Series grip help manage recoil, but the 10mm cartridge is more powerful than 9mm. I recommend starting new shooters with lighter loads and focusing on fundamentals like grip and trigger control before moving to full-power ammunition.
How do I mount a red dot on this pistol?
The slide is cut to accept SIG Sauer’s ROMEO1 Pro and other optics with the same footprint (like the Leupold DeltaPoint Pro). You’ll need to remove the cover plate, attach the optic using the included screws, and torque to spec. If you’re unsure, a local gunsmith can help.
Does the manual safety make it harder to use in self-defense?
Not if you train with it. The safety is ambidextrous and easy to sweep off during the draw stroke. Many families prefer it for storage, especially if they have curious children at home. Practice regularly to make disengaging the safety second nature.
What magazines does this pistol use?
It uses SIG Sauer P320 XTen 15-round magazines. Two are included with the pistol. Spare magazines are available separately and are compatible with other P320 XTen models.
Can I use this for hunting?
Yes, the 10mm with a 5-inch barrel is a popular choice for deer and hog hunting at close ranges. The bull barrel provides good accuracy, and the optic-ready slide lets you mount a red dot for fast target acquisition.
Why Buy From Us?
- ✅ Nationwide delivery (all 50 states)
- ✅ Ships 1-2 business days
- ✅ 30-day returns
- ✅ Secure checkout
Last updated: April 2026
According to the National Shooting Sports Foundation, 10mm pistol sales have grown 18% year-over-year since 2020, reflecting increased interest in powerful semi-autos for defense and hunting.
Explore more: Semi Auto Handguns | 10mm Ammunition

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