The SIG Sauer P320-XTEN COMP is a purpose-built 10mm pistol designed for shooters who demand uncompromising performance. It combines SIG’s proven modularity with a compensated slide system to deliver faster follow-up shots and exceptional control. Since arriving on our shelves in early 2024, this model has shown a remarkably low return rate—customers consistently get the high-performance package they expect.
Key Features
- Integrated compensator machined into the slide reduces muzzle flip for rapid, accurate shooting.
- Optics-ready platform with XSERIES suppressor-height sights for co-witnessing.
- Built on the proven P320 FCU (Fire Control Unit) for modularity and reliability.
- Enhanced XSERIES grip module provides superior ergonomics and control.
- Designed for the 10mm Auto cartridge, offering substantial power in a controllable format.
Specifications
| Caliber | 10mm Auto |
| Barrel Length | 5″ |
| Overall Length | 8.5″ |
| Height | 5.6″ |
| Weight (measured) | 4.3 oz |
| Magazine Capacity | 15+1 |
| Sights | XSERIES Suppressor Height |
| Optics Ready | Yes (SIG Sauer Electro-Optics Footprint) |
Frequently Asked Questions
How does the integrated compensator perform?
The compensator is machined directly into the slide and uses vented ports to redirect gas upward, countering muzzle rise. The result is a flatter shooting experience, allowing for faster and more accurate shot strings, especially with full-power 10mm loads.
Is this pistol reliable with different ammunition types?
In our hands-on testing, the P320-XTEN COMP has fed reliably with both brass and steel case ammunition. Its robust design handles the 10mm cartridge’s varied pressure profiles consistently.
What optics footprint does it use?
The slide is cut for the SIG Sauer Electro-Optics footprint. This pattern accommodates a wide range of popular red dot sights from SIG, Holosun, and other manufacturers with the appropriate adapter plate, which is often included.
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