Rim fire block for 1860 carbine

[Walksfire]

I was interested in finding an original rim fire block. I had taken mine out and put in a S S centerfire one to shoot it for a reenactment. Well. long story short, where I was storing my parts got lost. Now wanting to have an original one. So if anyone has one lying around or knows of a source, would appreciate knowing how to locate one. Thanks.

[major]

S & S Firearms in NY had some for sale a few years ago.  They might be worth a try.