Here is the best site I've found. He's got all the calibers listed but not broken down into model. http://www.classicsportingarms.com/1-caliber-list/ might also post your ? here https://groups.yahoo.com/neo/groups/RUGER-1/info
I've been looking for a red pad 1V in 223 so I can shoot what I already reload.
I prefer Blue & Walnut. But I may end up with one of these http://www.lipseys.com/itemdetail.aspx?itemno=RUK1V223 It would fill 2 holes in the collection 1V and .223. It would also more importantly help support keeping the No1 alive.
I've got one on order should they ever make them. I question the 1:8 with a 223 due to case capacity. I suspect mine will turn into a 22-250AI or 22-6mmAI right after it shows up, if ever. I don't have an "A" but then I never wanted one. I do have the AB, B and two V's an older one with the slow twist barrel and a 134- with the 1:9.
I know how Lipseys could sell out a pair 250 runs of #1s in a week or two: come out with another K1a edition, and commission a NEW line of K1RSI editions. Not that much of a fan of the blued #1, but the 1S in '06 is interesting to me if they ever show up, the K1v 223 is sort of appealing in walnut as well.