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sectional density

  1. Sectional density understanding

    The Ammo & Reloading Forum
    ive read the definanition and doesn’t tell me much. Does sectional density have anything to do with a projectile easily mushrooming on game? What I mean is should a lower SD be used on a whitetail and a higher SD on say a moose? Reason why I’m asking is I want to slow down a 300 saum load for...
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