Action: Striker Fire - Caliber: .45 ACP - Capacity: 9 - Finish: Matte Black - Grip: Interchangeable Polymer - Sights: Night - Barrel Length: 3.9 - Overall Length: 7.2 - Weight: 25.8 oz - Unlike any other pistol in its class the P320 features a unique 5-point safety system standard on all models: - Striker Safety - Disconnect Safet - 3-point Take Down Safety System - Takedown is prohibited without removal of magazine - System prohibits takedown without slide locked to the rear - Rotation of takedown lever allows disassembly without tools or trigger manipulation. - The unique modular design of the P320 offers the user the ultimate in flexibility to change calibers sizes and fit. Small medium and large complete polymer grip modules ensure comfortable and optimal fit for the widest range of hand sizes.