I'm not entirely sure how the Kirst works, but this does not look simple. The timing features (ratchet) of the Kirst are machined into the cylinder rather than into the backplate as in the R&D. Thus, the R&D cylinder is of no use. Also, while I don't have a Kirst, there might be a good reason why they only hold five.
Sounds like a non-starter to me.
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grym
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