done first time in 1944 by a local branch of Krieghoff somewhere north of the italian boarder in the alps. carcano's were rebore/rerifled for 8x57 but because of problems with clips only single shots. after the war made by italian factorys to made drill rifles with the old WW surplus for egypt - same work and 25000 at all,irrc.

https://www.youtube.com/watch?v=Ud4kLHTE8OQ

there is a firm in australia http://avbtechservices.com.au/berthier/ working on clips for 8x57 in the carcano but I dont know whats the state of affairs now