This GLOCK 17 Gen 5 is up to day in more ways than just one. Non only is this 17 fitted with Gen 5 GLOCK features, but it is also equipped with GLOCK's MOS (Modular Optic System) optic plate mount.

This GLOCK 17 Gen 5 is up to day in more ways than just one. Non only is this 17 fitted with Gen 5 GLOCK features, but it is also equipped with GLOCK's MOS (Modular Optic System) optic plate mount. Powered by green gas and compatible with existing GBB magazine SKU numbers (GBB) 2276347 and (CO2) 2276348. With full blowback operation, this GBB launches .20 gram BBs at 300 FPS and has an ambi slide stop, and reversible mag release. With MOS optic plate kit SKU number 2211388, you can mount the micro pistol optic of your choice to the slide of this GLOCK 17 Gen 5 MOS. Gen 5 GBB Powered  Under Barrel Accessory Rail 300 FPS with .20g BBs Full Blowback Operation Modular Optic System Compatible Ambidextrous Slide Stop Lever Reversible Mag Release Compatible with magazine SKU numbers 2276347 and 2276348 MOS Plate Kit 2211388