The 225 Sierra is a good practice stand-in for the 225 NP. Sierra told me it was too hard for .358. I haven't used it on game.
I've never noticed them being too hard when using my .358.
Shew me thy ways, O LORD: teach me thy paths. "there are few better cartridges on Earth than the 7 x 57mm Mauser" "the .30 Springfield is light, accurate, penetrating, and has surprising stopping power"