Description
The SIG Sauer P320 Compact is a modular, striker-fired 9mm duty pistol built on the same platform adopted by the U.S. military. This optics-ready model offers proven reliability and a versatile footprint suitable for both defensive carry and tactical applications.
Specifications
- Caliber: 9mm
- Action: Striker-Fired
- Barrel Length: 3.9 inches
- Overall Length: 7.2 inches
- Height: 5.3 inches
- Width: 1.3 inches
- Weight: 25.8 oz (unloaded)
- Magazine Capacity: 10 rounds
- Sights: Contrast Sights (Optics Ready)
- Frame: Polymer
- Slide Finish: Nitron
Why Choose the SIG P320 Compact
The P320’s defining feature is its serialized, self-contained fire control unit (FCU). This design allows the chassis to be swapped between different grip modules, slides, and barrels in minutes, enabling a single firearm to be configured for multiple roles—from concealed carry to full-size duty. The platform’s validation through the U.S. military’s MHS program underscores its durability and performance under rigorous conditions.
This optics-ready version provides a flat, milled slide cut that accepts a wide range of popular micro red dot sights without the need for an adapter plate. The consistent, crisp trigger pull and low bore axis contribute to controllable, rapid follow-up shots. Its size strikes an optimal balance between shootability and concealability, making it a serious tool for both law enforcement and civilian defenders.
What’s in the Box
- SIG Sauer P320 Compact Optics Ready Pistol
- (1) 10-round magazine
- Optics Cover Plate
- Hard Case
- Owner’s Manual
Frequently Asked Questions
Q: Is this the same P320 used by the military?
A: Yes. This commercial model is built on the same modular FCU platform as the U.S. Army’s M17/M18. The core operating system and reliability are identical.
Q: What optics fit the slide cut?
A: The slide is cut to accept the SIG Electro-Optics ROMEO1PRO and Leupold DeltaPoint Pro footprints. Many other popular micro dots can be mounted using the appropriate adapter plate from SIG.
Q: Can I change the grip size?
A> Absolutely. The modular design allows you to install any P320-series grip module. SIG and aftermarket manufacturers offer modules in various sizes, textures, and colors to fit your hand and mission requirements.





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