RE: 45-70 or 450 marlin?
The 45-70 is more versitile if you reload. If you don't load and don't plan on loading get the 450 Marlin. Put a Simmons Aetec scope on it. They have 5 inches of eye reliefe. No weatherby eyebrow with this scope. The 450 Marlin will handle any game on this planet.