I think you will be more happy with the model 94 30-30. The 45-70 is a great round but the 30-30 is the same setup, cheaper to shoot, and a longer range gun.

And for the above post knocking the 30-30s range. Dont forget some of those old military snipers taking huge shots with the 30-30. Its been around so long alot of bullet manufacturers make some cheap match ammo for it. Get you a nice side mounted scope setup and your set.