The P320 is a striker-fired, Safe Action pistol built on a polymer frame and is Sig's newest in its line of pistols. Designed for law enforcement with law enforcement input, it is the most adaptable and modular pistol on the market today, designed to fit any application, purpose, and user, and defies convention and comparison with revolutionary features that stand alone. 
Specifications:
Caliber: 9mm
Capacity: 10
Action: Striker-Fire
Frame: Polymer
Slide: Stainless Steel, Nitron Coated
Grip: Polymer Grip Module
Safety: Firing Pin, Disconnect, Striker
Barrel Length: 4.7"
Sights: Fixed Front/Rear Contrast Sights
Trigger Pull: 5.5-6.5 lbs.
Overall Length: 8"
Weight: 29.4 oz.
Part No: 320F-9-B