Glock describes the g19x as its first crossover pistol.It combines the full-sized frame of the g17 with the compact slide of the g19.The special color, coyote, sets this pistol apart from other models.This licensed co2-powered airgun version from umarex is an authentic replica with the exact dimensions and markings of the original.It fires 4.5-mm steel bbs with a maximum of 2 joules, and the blowback gives you a powerful recoil.The all-in-one magazine accommodates the cartridge plus 18 steel bbs.Officially licensed product of glockCaliber: 177 BBCapacity: 18rd