Grand Power P1S MK23 Specifications Manufacturer: Grand Power Model: P1S MK23 Type: Semi-Automatic Pistol Action: DA/SA Caliber: 9mm Luger Barrel Length: 3.66 in Barrel Material: Stainless Steel Barrel Finish: Stainless Barrel Description: Rotating Capacity: 12 Rounds Frame Material: Polymer Frame Size: Compact Frame Finish: Black Matte Frame Description: Polymer Frame with Accessory Rail Slide Material: Steel Slide Finish: Black Slide Description: Optic Ready / Serrated Grips: Black Checkered Sights: 3-Dot White Optics Plates: 4 Included Trigger Pull Weight: 4.49 to 8.99 lbs Safety: Manual Thumb / Firing Pin Block Hammer: Bobbed Controls: Ambidextrous OAL: 7.20 in Height: 4.70 in Width: 1.34 in Weight: 1.43 lbs Magazines Included: 3