Description
The SIG Sauer P320 Compact is a modular, striker-fired 9mm service pistol built on the same platform adopted by U.S. military and law enforcement units. This optics-ready model offers a proven duty-grade design in a concealable size, maintaining the reliability and ergonomics required for serious use.
Specifications
- Caliber: 9mm
- Barrel Length: 3.9 inches
- Action: Striker-Fired
- Capacity: 10+1 Rounds
- Frame: Polymer, Modular
- Slide: Stainless Steel, Optics Ready Cut
- Sights: SIG Contrast Sights (Suppressor Height Compatible)
- Safety: Integrated Trigger Safety
Why Choose the P320 Compact
The P320’s core strength is its field-proven reliability and modularity. The fire control group is a serialized chassis that can be swapped between different grip modules, allowing you to change frame size for duty, carry, or competition without a new serialization. The striker-fired system provides a consistent trigger pull, and the platform’s track record under rigorous military testing speaks to its durability under stress.
This optics-ready version is prepared for modern engagements. The slide is cut to accept a wide range of red dot sights without requiring an adapter plate, enabling faster target acquisition. The included suppressor-height sights provide an immediate co-witness through your optic, a critical feature for maintaining a sight picture if the electronic system fails. This configuration makes it a versatile tool for both defensive and professional roles.
What’s in the Box
- SIG Sauer P320 Compact Optics Ready Pistol
- (1) 10-Round Magazine
- Modular Grip Module
- Hard Case
- Owner’s Manual
Frequently Asked Questions
Q: Is this the same P320 used by the military?
A: Yes, this is the commercial variant of the U.S. Army’s M17/M18 platform. It shares the same core operating system, modularity, and reliability. Differences are primarily in markings, finish options, and magazine capacity to comply with state laws.
Q: What optics fit the slide cut?
A: The slide uses SIG’s proprietary Romeo1Pro footprint, which also directly accepts Leupold DeltaPoint Pro optics. With the appropriate adapter plate from SIG, it can mount a wide variety of other popular micro red dots.
Q: How does the modularity work?
A> The serialized component is the internal fire control unit (FCU). You can purchase different-sized SIG grip modules (Small, Medium, Large) and slide/barrel assemblies. The FCU drops into any compatible grip module, legally changing the pistol’s size and feel in seconds.





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