Thank you for your responses. I'll check the diagrams at Rotherys and with Julian for the parts.
My only reason for wanting a multi-shot is laziness-I'd rather load eight or ten at once than one at a time and since I don't compete I don't have to worry about being outside of rules.

I mean I'd like to convert the mpr to a multi-shot (but keep the 6 ft lb power).

Hi, I want to purchase an s400 mpr precision for 10m, but only if it's practical to convert the rifle from single shot to multi shot. Which spares need I buy to pull this off? I'm familiar with the Rowan Engineering multi shot adapter but I'd rather not have to use my hand to advance the magazine. J...