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  1. #71
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    Default Re: Hunting with 50 cal

    Quote Originally Posted by Webster View Post
    Who does make a bullet for the 50cal?
    Hi Webster,

    Little late but currently;

    - Peregrine https://besthuntingbullets.com/home/...2-packaging-50 (750gr - 1100gr Rangemaster)

    - Hornday https://www.hornady.com/bullets/rifl...50-gr-a-max#!/ (750gr AMAX)

    - TenX http://tenxbullets.com/ (720gr)

    - CuttingEdge https://cuttingedgebullets.com/510-7...match-tactical (720gr)

    - Advsp (Advanced Shooting Supplies - https://advsp.co.za/ (700gr)

    - Ballistix

    The highest BC available is from Peregrine bullets, the 750gr has a listed bc of 1.147, but from technical data and stamped on the box is 1.060 (Hornady AMAX750 indicates a bc of 1.050)

    Peregrine 750 Glider Rangemaster below:
    Attachment 32441

  2. #72
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    Default Re: Hunting with 50 cal

    Quote Originally Posted by Brillo View Post
    ...

    The highest BC available is from Peregrine bullets, the 750gr has a listed bc of 1.147, but from technical data and stamped on the box is 1.060 (Hornady AMAX750 indicates a bc of 1.050)

    Peregrine 750 Glider Rangemaster below:
    The quoted BC is likely a theoretical number calculated from a form factor, not actual empirical data.

    In any case, a G1 BC number without the corresponding velocity number is pretty meaningless on any boat tailed spitzer bullet, and especially on a VLD design.

  3. #73
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    Default Re: Hunting with 50 cal

    Quote Originally Posted by A-R View Post
    The quoted BC is likely a theoretical number calculated from a form factor, not actual empirical data.

    In any case, a G1 BC number without the corresponding velocity number is pretty meaningless on any boat tailed spitzer bullet, and especially on a VLD design.
    Hi A-R,

    I get that G1 is for flat base and G7 for BoatTail

    Maybe you should contact Hornady then and ask them to change the G1 BC indicated to G7 on the site:
    https://www.hornady.com/ammunition/r...a-max-match#!/

    - I mean, they obviously have it wrong...or do they ?


  4. #74
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    Default Re: Hunting with 50 cal

    Quote Originally Posted by Brillo View Post
    Hi A-R,

    I get that G1 is for flat base and G7 for BoatTail

    Maybe you should contact Hornady then and ask them to change the G1 BC indicated to G7 on the site:
    https://www.hornady.com/ammunition/r...a-max-match#!/

    - I mean, they obviously have it wrong...or do they ?

    I can only assume they posted a G1 BC as it would look better.

  5. #75
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    Default Re: Hunting with 50 cal

    I assume you gents are discussing 12,7 x 99mm when you mention 50 cal? There is also the 12,7 x 108mm out there, courtesy of Russia.

  6. #76
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    Default Re: Hunting with 50 cal

    Quote Originally Posted by MrK View Post
    I assume you gents are discussing 12,7 x 99mm when you mention 50 cal? There is also the 12,7 x 108mm out there, courtesy of Russia.
    Indeed

    Sent from my G3221 using Tapatalk

  7. #77
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    Default Re: Hunting with 50 cal

    Quote Originally Posted by Brillo View Post
    Hi A-R,

    I get that G1 is for flat base and G7 for BoatTail

    Maybe you should contact Hornady then and ask them to change the G1 BC indicated to G7 on the site:
    https://www.hornady.com/ammunition/r...a-max-match#!/

    - I mean, they obviously have it wrong...or do they ?

    Yes, they obviously have it wrong. And they know it. If you use the G7 drag curve, you would see that the A-max BC does not compare very well to the competition.

    Clever marketing technique to get people to buy it.
    https://appliedballisticsllc.com/201...c-coefficient/

  8. #78
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    Default Re: Hunting with 50 cal

    Quote Originally Posted by Brillo View Post
    I can only assume they posted a G1 BC as it would look better.
    Quote Originally Posted by Brillo View Post
    Hi A-R,

    I get that G1 is for flat base and G7 for BoatTail

    Maybe you should contact Hornady then and ask them to change the G1 BC indicated to G7 on the site:
    https://www.hornady.com/ammunition/r...a-max-match#!/

    - I mean, they obviously have it wrong...or do they ?

    Yes indeed, but it makes for better marketing.

    There are various websites that give more accurate G7 BC numbers. Bryan Litz also did empirical tests on various popular bullets and published the results.

    You will also need the actual bullet lengths for most ballistic calculators.

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