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The CVA is nice starter gun. I have one. It can have some issues. On mine at least the left spring which is held in place by some pins can come loose under recoil. Leaving you with only 1 barrel. This is not true of all, but points to less than stellar quality control.

I would not consider it specific of any one style. It is more generic. A good place to pick up supplies, parts and see original guns is Track of the Wolf, http://www.trackofthewolf.com

You can pick up a main spring vise very cheaply:
http://www.trackofthewolf.com/(S(m2bjmfi...rtNum=TOOL-VISE

For wads and cards I use Circle Fly. http://www.circlefly.com/ He posts here. Give him a call with any questions, he has a lot of knowledge.

For hunting, follow Jerry's excellent advice of using pre-loaded charges. You can spend a lot of money on something as simple as a powder horn. Take a look at the one Mike Petrov posted a picture of recently.

This site is devoted to black powder shells, but he has a lot of good information http://www.tbullock.com/bpsg.html

Lyman produced a good book a while back on black powder, again mostly cartridges, but still worth a look as they did some pressure testing.

Hodgdon has tech support available if you have questions about pyrodex. They have been very helpful when I called.

Keep safety first. Having said that, you can have a lot of fun with your CVA.

Pete