Umarex Canex 177 Caliber Air Rifle - Plinking has never been cooler than it is now with the Umarex Canex. With three 10-shot magazines in the box, you can load up the rifle with fresh CO2 and 30, 177 caliber pellets in the magazine and let those tin cans know who's the top shot. The Canex is powered by two 12 gram CO2 cartridges and uses an easy change disk magazine system. The Canex launches alloy pellets at 800 FPS and 7 grain lead pellets at 700 FPS. 3.5 Lbs 177 Caliber Pellet Rifle CO2 Powered (2X12gram) Side-Lever Action 800 FPS with Alloy Pellets 10 Shot Auto Indexing Magazine 11mm Dovetail Scope Rail Adjustable Rear Sight Fixed Front Sight