350 legend rebarrel question

[Dfou]

I want to build a rifle and found a tikka t3 350 legend that I was thinking about picking up for the action. Question is what calibers could I rebarrel it to? Am I limited by the bolt head?

 

[Nine Banger]

It's a 223 bolt head.

 

[Dfou]

It's a 223 bolt head.

Thought so. Thanks