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For the OP, left to right, 308, 35Rem, 6mm, 300Sav and 30-06. Jack is correct the action length is the same regardless, but if you can find a 308 or 6mm it should work, but again some guns are more fickle than others.

They say everything happens for a reason.
For me that reason is usually because I've made some bad decisions that I need to pay for.