Muzzle Velocity: 250-300 FPS (w/ 0

7x28mm to replace the 9x19 Parabellum cartridge due to advancements in body armor technology

Fixed A2 style one-piece polymer stock with larger battery compartment

★The secondary dampening material is designed to absorbs vibrations and prevent ringing of the supressor shell

Umarex 88g CO2 Cartridges (2-Pack) 0.20 g Muzzle Velocity: 250-300 FPS (w/These Umarex Walther 88 gram CO2 cartridges comes two per pack. Great quality CO2 runs clean in your airguns and fit air rifles such as the Umarex AirJavelin, Umarex Fusion 2, 850 Air Magnum and 850M2. 88 gram CO2 cylinders provide longer shooting sessions. We recommend that you use all the CO2 and that you not leave pressure on the seals of your airgun for more than a day or two. It's a good idea to put a drop of silicone oil, like RWS Chamber Lube,