The AirForce Condor delivers from 600 fps to a rip-snorting 1450 fps (in .177), and it's recoilless! Accurate (1' at 50 yards) and powerful, this PCP offers extreme flexibility. It has a 24' Lothar Walther barrel (1:16 twist). You can also buy 12' and 18' barrels. Change-outs are easy and don't require any special tools. Built in the USA. NOTE: The .20 cal. pellets are slightly longer than the .22 cal. pellets of the same weight. Therefore, they drag in the barrel a little more and produce lower velocities. The quoted figures (showing the .20 cal. gun shooting slower than the .22 cal. gun) are actual test figures and are correct. Carrying an extra filled tank when shooting in the field is a lot easier than carrying a scuba or carbon fiber tank for refills. Includes new Spin-Loc tank, which includes an air pressure gauge (manometer). There are lots of ways to configure this gun, including rail-mounted accessories (coin-slot screws for each changeout). You can choose the scope, laser, flashlight, night vision equipment, extra tanks, quick-detach fiber-optic sights and attachments for the type of refilling unit you plan to use. The .177 and .20 caliber Condor has a special tank valve spring. If you plan to attach other caliber barrels to your gun, you may want to buy a tank made for the other calibers (.22 & .25 calibers use the same tank). If you use the .177 or .20 caliber tank with the other smallbore calibers, you'll experience a drop of 50-100 fps in those calibers. However, if you buy the .22 or .25 caliber but plan to also attach a .177 or .20 caliber barrel, you must buy a .177 and .20 caliber air tank. If you don't, the tank valve spring will not close fast enough, and all your air will be dumped.