Umarex is about to ship the 85o Magnum, a new 12 foot-pound CO2 repeater. It's an 8-shot bolt action that comes in both .177 and .22.
New CO2 rifle from Umarex
This was the first new gun I was shown in the Umarex booth - both at the SHOT Show and again at IWA. It's an 8-shot repeater called the 850 Magnum. It develops up to 16 Joules, which is 11.8 foot-pounds. Obviously because its a CO2 gun it will develop that in .22 calibre, but the rifle also comes in .177. From the stated energy. look for about 775-800 f.p.s. in .177 with lighter pellets and 575-600 in .22.