CZ P-10 F Suppressor and Optic Ready, Striker Fired, Semi-automatic, Polymer Frame Pistol, Compact, 9MM, 5.1" Threaded Barrel, 1/2X28, Nitride Slide Finish, Black, 3 Interchangeable Backstraps, High Fixed Sights, Optic Ready, Integrated Trigger Safety, 21 Rounds, 2 Magazines 91556Slide Cut-Out for Optic Ambi Slide Release Reversible Mag Catch • Double Action Only • Capacity: 21 + 1 • Finish: Black Polycoat • Sights: 3-Dot Suppressor Height • Barrel length: 5.1" • Overall length: 8.7" • 15in Free-Float MLOK Rail/ Ambi Bolt Release