Factory Refurbished Umarex Glock G17 Gen 5 MOS 4.5MM Full Blowback Steel BB Gun
With Gen 5 design features and MOS (Modular Optics System) red dot mounting headlining the features of this CO2 powered BB pistol, you can mount nearly any micro pistol optic on the market, and via the underbarrel accessory rail, a laser or light of your choice as well.