GLOCK 45 M.O.S., Semi-automatic, Striker Fired, Polymer Framed Pistol, Compact, 9MM, 4.02 Barrel, DLC Finish, Black, Interchangeable Backstraps, Ameriglo Suppressor Sights, 17 Rounds, 2 Magazines, Includes Aimpoint ACRO P-2 PA455S303MOS7A1 The Compact Crossover pistol G45 in 9x19mm combines a compact slide with a full size frame and has all the benefits of a Gen5 model. Utilizing the design and engineering GLOCK developed for its military pistols (G19X), combined with Operator and worldwide Law Enforcement specifications. Includes two 17-round magazines.