Glock 17 Gen 5 MOS | Blowback Umarex Defense Training Marker T4E HDP Cal.50 Rubber Ball Co2 Powered Pistol Removable organizational tray

Removable organizational tray

providing controlled deformation upon impact

polymer handguards

uniform blue-black finish

Glock 17 Gen 5 MOS | Blowback Umarex Defense Training Marker T4E HDP Cal.50 Rubber Ball Co2 Powered Pistol Removable organizational trayGLOCK 17 GEN 5 MOS 4. 5MM BLOWBACK The GLOCK 17 Gen5 MOS is an optics upgrade of one of the most popular polymer pistols in the world. The Modular Optic System (MOS) permits mounting of red dot sights with Docter, Trijicon, C More and Leupold footprints via adapter plates (separately available) on the Blowback slide. The integrated interface for a red dot sight is part of the metal slide. Gen5 typical features of this successful modern model ensure