I have rebarreled to 223 in bolt actions:
1972 Sav 110
Stevens 200 [sav 110 old parts getting used up at the factory]
1903 Turkish Mauser
Mosin Nagant bottom eject. manual lifter, single shot

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway
The man who makes no mistakes does not usually make anything.-- Edward John Phelps