What are you hunting? How long is long range.
When I examine your present calibers my guess is that you will need at least a 300 Win Mag to do what you can do with what you have at longer range. Even a 300 Win Mag may not match what you have. You may have to go 338 Cal.
I'd suggest staying with common calibers, you have a 350 RM, so you know about obtaining ammo or components to the odd ducks.
You have a 350 RM and a 45-70, recoil from a 33 Win Mag won't be any worse than those. My 350 RM in a Rem 700 Classic is no pussycat when it comes to recoil. A Model 7 is even a bit lighter.
Nitro
When I examine your present calibers my guess is that you will need at least a 300 Win Mag to do what you can do with what you have at longer range. Even a 300 Win Mag may not match what you have. You may have to go 338 Cal.
I'd suggest staying with common calibers, you have a 350 RM, so you know about obtaining ammo or components to the odd ducks.
You have a 350 RM and a 45-70, recoil from a 33 Win Mag won't be any worse than those. My 350 RM in a Rem 700 Classic is no pussycat when it comes to recoil. A Model 7 is even a bit lighter.
Nitro