Okay Im new to this forum and hope this is the right area to ask this. I want to build my first rifle and I would like to go with the Savage Target Action, and I would also like to put a 300 RUM and maybe later put a .338 edge. So my problem is that savage target action doesn't have a big enough bolt head to it and I don't know if it will stand up to the pressure. But from what I have read is that the savage action could take that and much more. So my question is. Do I change the bolt head, where do I get one, and is that all I have to do? Thanks PaulB.