Sign in gunshop: "Once more I find myself one gun short of perfection."

Just look at how much you save on dies!

4570Mike I had a CPA with a .32-40, .40-65 WCF and a .40-60 Maynard barrels. 
I preferred the straighter case .40-60 (slightly more accurate because bullets loaded more concentrically) and sold the .40-65 since I had a Shiloh Sharps in that caliber. 
Try a .40-60 Maynard on your CPA and make your cases from .30-40 Krag cases.
Of course the Rolling Blocks, Sharps, Stevens 44 1/2 (CPA replica) and 1885 Winchester High Walls are some of the common single shot rifles chambered in .40-65 but there are many more.
And of course weight will vary depending on which barrel is on the rifle.
Whether you have a heavy barrel due to it's thickness or length or heavier add ons like a pewter nose.
Heavier rifles are more accurate since the recoil is more easy to manage.
Being a Schuetzen shooter who does a lot of offhand shooting I found the heavier barrels were also more accurate because the barrel drops straight down across the target.
Unfortunately the lighter barrels have a tendency to track in figure eight patterns and it is harder for your brain to decide when to pull the trigger when shooting offhand.
For target competition choose a heavier rifle but most prefer a lighter rifle if you have to haul it around all day hunting.
Playing with different rifle designs I have learned the accuracy of correctly hitting the right wind condition with an action with a quick lock time. 
i.e. Miller DeHass striker action being far superior to a 1885 High Wall which is far superior to the offset hammer setup of a Sharps.
And of course a light set trigger helps you from pulling off from your point of aim and enables you to catch wind changes quicker.

Makes sense.

I have one of Steve Earls' Wessons, but mine is more for African game.  .450-400-3 1/4".

I hope to make one more trip to South Africa before I get too old...

Rich

Oooops forgot to mention the 2 different 45-110's, all of them just because I can. I believe that's probably the reason why a lot of folks have multiple rifles in the same cartridge.

Rich, in addition to rifle weight, you might also want to try a different twist rate .  Maybe you've been shooting silhouette with the 12lb rifle and always wanted to try a little faster twist.  Or maybe a DST highwall would be a little better for offhand than the Shiloh's I own.  I could think of a few reasons

I only need 2 more and I think that would be enough.

Chris.

3 40/65's. Sharps,original Hiwall, Browning Hiwall, all set up for silhouette. 2-40/60 Maynard 's. CPA and Browning Hiwall with a 14 twist.
All sweet shooters.