300 wsm to 6mm br

whats needed to change the bolthead from a 300 wsm to a 6mm br
im asking what parts do i need for swapping the bolt head around to accommidate the 6mm br
not much worried about the feeding as i will install a follower for single shot. this is a left handed action if this matters.

also still looking for a complete trigger assembly for this gun

Just get a .473" bolthead (standard 308 win size) and then check the firing pin protusion. I just converted a a 300WSM CRF bolthead to 22.250 with no issues.

If it's CRF, don't forget to take out the ejector.