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cast boolit

  1. .30-30 Win Cast Boolit Question?

    The Ammo & Reloading Forum
    I have been working up a hunting hand load for my Marlin 336CS w/ a 20” micro-groove barrel. Every factor being tested has passed with flying colors until I ran the “penetration/deformation” test. Here’s what I have achieved: A 165 grain (.311) Cast boolit cartridge that achieves an average...
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