Shocked and fearful Maine residents are keeping to their homes for a second night as hundreds of police and FBI agents search intently for Robert Card, a U.S.

  • jordanlund@lemmy.world
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    1 year ago

    From the source with the image:

    55 Grain 223 FMJ Ammo
    Average muzzle velocity – 2867 fps
    Average muzzle energy – 1004 ft/lbs
    Bullet drop at 500 yards – 75.02 inches

    147 Grain 308 FMJ Ammo
    Average muzzle velocity – 2672 fps
    Average muzzle energy – 2330 ft/lbs
    Bullet drop at 500 yards – 61.42 inches

    Slower bullet, just barely, but 2x the energy.

    Let’s see if I can find a ballistics gel video:

    https://youtu.be/-8dZxwz9NY4