Shot quite a few Roe with .22RF when I was a youngster, it was the only rifle that I had unlimited access to and it was of course legal at that time.
While I would not recommend it as a suitable weapon for deer, it was preferable to the other method that was employed at that time, driving them to shotguns, seen many Roe wounded by shotguns usually due to lack of experience and shooting at deer at too great a range, to be sure of a kill with a shotgun shots should be limited to maximum of 15 yards.
As a young keeper in the 1960s the young plantations were driven these shoots took place after the game season
was finished, estate workers, tenant farmers, and any locals who had a shotgun were invited hence my comment
lack of experience, a shotgun can be effective on deer but only in the right hands, and at very short range.
Glad these days have gone and Roe are no longer treated as vermin.