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  1. #1
    Almost literate. veitnamcam's Avatar
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    Quote Originally Posted by Wirehunt View Post
    I would have thought the reverse? Hard bullet takes more pushing so more powder required.
    Na, lighter pill moves easyer so won't build as much pressure and needs more powder or faster powder.

    So for same weights the harder to force into the rifleing and longer the bearing length the more pressure will build and less powder can be used.

    Sent from my GT-S5360T using Tapatalk 2
    "Hunting and fishing" fucking over licenced firearms owners since ages ago.

    308Win One chambering to rule them all.

  2. #2
    Terminator Products Kiwi Greg's Avatar
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    Quote Originally Posted by Wirehunt View Post
    I would have thought the reverse? Hard bullet takes more pushing so more powder required.

    Solid copper is lighter than lead so more is required for a certain weight, bullet is longer, usually increasing the bearing surface, resulting in more friction.

    So requires less powder and/or slower powder to keep pressures to an acceptable level.

    The exception to this is a bore rider projectile like a Cutting Edge,

    The bearing surface remains the same so they have completely different characteristics to "normal" projectiles.
    Contact me for reloading components, brass, projectiles, powder, primers, etc

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