The SIG SAUER P320-XTEN ENDURE is a purpose-built 10mm pistol designed for backcountry defense and high-stress environments. Engineered with corrosion-resistant components and enhanced ergonomics, it delivers reliable performance when conditions are at their worst. Since we started stocking this model in mid-2024, it has consistently been one of our most requested firearms, with repeat customers frequently returning for another.
Key Features
- Corrosion-Resistant Finish: The slide and barrel feature a durable, nitride-based finish that withstands harsh environments and moisture.
- Optics-Ready Platform: Comes milled for SIG Electro-Optics ROMEO2 and includes suppressor-height X-RAY3 Day/Night sights for a co-witnessed sight picture.
- Enhanced Grip Module: Aggressive texturing and an optimized grip angle provide superior control, even with wet or gloved hands.
- Reinforced Magazine Well: Flared design allows for faster, more positive magazine changes under pressure.
- Flat Bladed Trigger: Provides a consistent, crisp break for improved shot placement with the potent 10mm cartridge.
Specifications
| Caliber | 10mm Auto |
| Barrel Length | 5″ |
| Overall Length | 8.5″ |
| Height | 5.8″ |
| Width | 1.4″ |
| Weight (measured) | 6.8 oz |
| Capacity | 15+1 Rounds |
| Frame / Slide Finish | Polymer / Nitron |
Frequently Asked Questions
Is the P320-XTEN ENDURE optics-ready?
Yes. The slide is milled to accept the SIG ROMEO2 red dot sight without an adapter plate. It includes suppressor-height iron sights for a lower-third co-witness.
What magazines does it use?
It ships with one 15-round steel magazine. The magazine is compatible with other P320-XTEN series pistols.
Why is this model so popular?
Its combination of 10mm power, corrosion resistance, and duty-ready features makes it a top choice for outdoor professionals and enthusiasts. Demand is high; we maintain over 20 units in stock to meet it.
✅ Same-day shipping from Rockford, IL
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Reviews
There are no reviews yet.