while shooting with the gun you hunt with is best, you can do a lot with a small caliber, even a 22LR. That'll keep the eye and trigger finger tuned and help with the steadiness. I have a 22-250 that's great practice, especially for long range. It weighs as much as my '06 but with no recoil.

“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell

It's not over when you lose. It's over when you quit.