I found the guy in NZ who has some springs for the Miroku. He also suggest some used parts and the possibility of making some part. I am waiting on a list of parts from my smith. I'll post the results when it is all sorted out.

https://statusguns.com/

His email is
nelson.collie@statusguns.com

Nelson Collie.
I sent him an email and got a very good response. He ain't cheap.
Tom


Suppose you were an idiot and suppose
you were a member of congress. But I repeat myself - Twain.