ORIGINAL: 3000fps
no to small id go at least with a 243 It would kill with a perfect shot,but in the hunting world you may not get
IF you use a premium bullet load, like a Barnes X or Nosler Partition, you will be amazed at how the 22/250 will kill deer, even bigmulies. Shot placement is all-important, but the cartridge allows that.
If you want to know how a .22 will do on deer, read the comments on killing power of the .220 Swift on wild burros in the Ackley Handbook for Shooters & Reloaders, Vol. I