8mm Mauser dies for .318" bullets

[David LaPell]

I am looking at an older 8mm Mauser 1888 commission custom Mauser that I don't think had the bore changed from .318" to .323", and I was wondering if there are any dies out there that would let me load rounds for the proper diameter.

[Gewehr-Guy]

Now this is just a guess, but if you removed the expander button from any 8mm die, I think it would size the neck down enough to hold a .318 bullet. Most every die set I have seems to over work the necks, unless you have very thin brass. If you are going to shoot cast, then a NOE neck expander die with a .320 button would be about right with a .32-40 cast bullet

[Wayne Smith]

If you buy the gun and RCBS dies call RCBS and they will send you the appropriate expander button. Or, you could do it the way Gewher-Guy explained.