Your 30-30 would be ok for far out shots, just get a smaller grain bullet, probably the smallest you can find. Shot gun is fine for close range, use buck shot or even bird shot work, like 4 shot, you could use a slug too. A 22 would be pretty small, and if you used it you would want a perfect shot within 100 yards, but it could be done. I would lean towards the 30-30, a small grain bullet, and your shotgun just in case.