IME, the reduced recoil loads are definitely easier on the shoulder than the full-power stuff. I keep Federal LE133 00 (reduced recoil 8-pellet 00 w/ Flite Control) in the house gun and practice with the less expensive reduced recoil 00 (Wolf, Estate, Fiocchi, etc).
I practice with reduced recoil target loads from wally world, winchester I think.