I would test the feeding of the 22-250 .... if it won't feed in yer 8mm bbl , it won't feed any bbl either. 6,5X55 would be a cinch if ya have a turk small ring. I would question tearing apart a "pretty" milsurp for a project, when the prices are on the rise. I prefer shot out /no wood cripples for projects. Cheaper and heck everything gets "massaged" , or replaced anyway. Good luck w/ it, but don't expect to save money over buying a rifle ready to shoot. On the other hand the satisfaction can be immense. $0.02 MV