Chris, you'll never learn if you don't at least try (you don't know what you can do, until you know what you CAN'T do 
).
At least drop the action into the stock and give it the once-over to see if all the fixing holes, etc line up........ you'll probably find that yours is one of 90-something percent that fit straight in!
I've had about half-a-dozen CS stocks in my time, and the only one I had a tiny issue with, rubbed on the breech block on my HW80, and that's only because the lug on the cylinder that the fixing screw goes into was welded on slightly skew-wiff by HW! 
I fixed it by simply slipping a washer between the inside of the stock and that lug, so one side of the stock "jaws" is held a smidge further out to prevent the rubbing when cocking the gun.
Give it a go, and if you think there'll be a problem, by all means seek experienced help - but imagine the satisfaction if you can nail it yourself first time!
Good luck 
Dunk
"Every normal man must be tempted at times, to spit on his hands, raise the black flag & start slitting throats"
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