Pennsylvania Firearm Owners Association
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  1. #1
    Join Date
    Mar 2015
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    Default Cannelure question

    Just curious, I have bunch of 165 grain 308 bullets with cannelure. However, I'm seating them farther out of the case to get closer to the lands, and the full cannelure is proud of the case.

    Other than looking a little hokey, I'm thinking this isn't an issue.

    Thoughts?

  2. #2
    Join Date
    Feb 2007
    Location
    next to my neighbor, Pennsylvania
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    Default Re: Cannelure question

    Most if not all of my 50bmg are the same way. No issues.

  3. #3
    Join Date
    Feb 2007
    Location
    Apolacon Township, Pennsylvania
    (Susquehanna County)
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    Default Re: Cannelure question

    Definitely not a problem!

  4. #4
    Join Date
    Jul 2011
    Location
    Leola
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    Default Re: Cannelure question

    As others stated no problem not seating to the cannelure. Although smooth bullets slip the air a bit easier, you probably wouldn't notice the difference until you sent them 5 to 600 yards and farther. Here is a good picture of the drag/turbulence caused by the cannelure http://www.nennstiel-ruprecht.de/bullfly/fig2.htm

  5. #5
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    Cumberland County
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    Default Re: Cannelure question

    Great. Thanks Guys, Responses are appreciated.

  6. #6
    Join Date
    Feb 2010
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    Levittown, Pennsylvania
    (Bucks County)
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    Default Re: Cannelure question

    Anyone ever tried pocking the surface of a projectile like a golf ball?

  7. #7
    Join Date
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    next to my neighbor, Pennsylvania
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    Default Re: Cannelure question

    Quote Originally Posted by Bang View Post
    Anyone ever tried pocking the surface of a projectile like a golf ball?
    I'm surprised that hasn't been done, the more dimples on a golf ball,
    the further it flies.

  8. #8
    Join Date
    Feb 2013
    Location
    Upper Darby, Pennsylvania
    (Delaware County)
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    Default Re: Cannelure question

    Quote Originally Posted by bogey1 View Post
    I'm surprised that hasn't been done, the more dimples on a golf ball,
    the further it flies.
    The rotational axis of a golf ball lies (generally) horizontal and perpendicular to the line of flight.

    The rotational axis of a round fired from a rifled bore *IS* the line of flight.

    Dimpling a bullet is not going to help its BC...

  9. #9
    Join Date
    Feb 2007
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    next to my neighbor, Pennsylvania
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    Default Re: Cannelure question

    Quote Originally Posted by Sgt.K View Post
    The rotational axis of a golf ball lies (generally) horizontal and perpendicular to the line of flight.

    The rotational axis of a round fired from a rifled bore *IS* the line of flight.

    Dimpling a bullet is not going to help its BC...
    What about a guy/gal that hits right to left (draw)
    or left to right (fade/cut). But I see what you're saying.

    Someone should try this.

  10. #10
    Join Date
    Jul 2013
    Location
    Mohnton, Pennsylvania
    (Berks County)
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    Default Re: Cannelure question

    Buck shot.

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