Glock G45 V Crossover 9mm Luger 4.02in Black Polymer Pistol - 17+1 Rounds - The compact crossover pistol, the GLOCK 45 V is chambered in 9mm Luger and combines a compact slide with a full-size frame, making it versatile. The G45 V pistol features 17+1 magazine capacity and is chambered in 9mm Luger. The SAFE ACTION System is a fully automatic safety system consisting of three passive, independently operating, mechanical safeties. All three safeties disengage sequentially as the trigger is pulled and automatically re-engage when the trigger is released.