Alliant 4000mr for 300wm ?

Discussion in 'Reloading' started by backyardsniper, Aug 4, 2013.

  1. backyardsniper

    backyardsniper Well-Known Member

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    Oct 9, 2009
    I have a new 300wm inbound from my smith and I'm getting ready to start sourcing components. Has anyone tried this stuff and gotten any Data on it. I have a pretty good supply of H4831sc. I'm looking to run the berger 230otm or the new nosler custom comp 220 if it ever actually hits the market