RE: .222 for deer ?
I have used this caliber and shot many deer. I shot one at 250 yards last year with this caliber and the deer dropped in it's tracks. My advice is this if you are accurate with it and you are confident that you can place the bullet well i would say go ahead and use it. I also agree with the other guys on this issue that is you are not real accurate with this gun use somthing bigger.