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best cal. to handle the wind

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  #1  
Unread 04-04-2009, 09:28 PM
Junior Member
 
Join Date: Apr 2009
Posts: 1
best cal. to handle the wind

Is there any difference?
Do the heavier rounds take the wind better at long distances?
Just getting into the LRS and need some help from the kind folks on ths web site.
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  •   #2  
    Unread 04-04-2009, 09:58 PM
    Platinum Member
     
    Join Date: Jul 2004
    Location: OHIO
    Posts: 2,417
    Re: best cal. to handle the wind

    Quote:
    Originally Posted by dewey edwards View Post
    Is there any difference?
    Do the heavier rounds take the wind better at long distances?
    Just getting into the LRS and need some help from the kind folks on ths web site.
    Yes. It is most common to have a caliber, such as 6mm, 6.5mm, 7mm, and 338 as those heavy bullets offer the higher BCs, which is what you want for LRH and bucking the wind.

    There are tons of videos available that show brown bears, moose, elk, deer, antelope, rams, all taken with a good old 7mm Remington Magnum with 168 and 180 Berger VLD bullets up to 1000 yards and just beyond. Therefore, it is arguable as to whether or not there is any need for a larger cal or heavier bullet.

    But, it wouldn't be any fun if we all had a plain jane 7mm rem mag now would it?
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    Derek M.
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      #3  
    Unread 04-05-2009, 07:11 AM
    Junior Member
     
    Join Date: Mar 2009
    Location: Australia
    Posts: 28
    Re: best cal. to handle the wind

    Hello Dewey!

    Welcome to the Long Range Hunting Forum!

    To answer your question the calibres that are not effected by wind as much usually have higher Ballistic Co-efficients (Like Derek said).

    The Ballistic Co-efficient is a measure of drag/air resistance on the bullet. Generally the heavier the bullet, as long as the shape of the bullet is aerodynamic (High BC), the further it can fly with less wind effect.

    For example a Flat nosed 200gr (Sierra) .375 has a ballistic co-efficient (BC) of .195, compared to a 300gr(Sierra) .338 hollow point boat tail which has a BC of .768!

    However, the hard hitting high recoil rifles are generally not a good starting point to hone your skills, play with these toys at the start and you may throw in the towel.

    If you are starting of start with the .22 then work through to .223, 243, .270 etc. These will help adaption to recoil and get marksmanship sorted. I recommend the .22 to start with at 100yds it will react (wind wise) similar to a .308 at long range and help learn the wind, trigger control, breathing etc.
    Even if you play with the long range rifles you need to learn wind reading/doping.

    This is purely recommendation, it is much cheaper to learn lessons on the .22 than on a .338. Then when you get to the bigger fellas you will be able to rule out marksmanship over adjusting to recoil.

    But as Derek said the .338's, .300's, 7mm's and 6mm/6.5mm are big long range contenders. Alot of people are opting for the smaller calibres with less recoil and higher BC's due to being able to keep your sight picture plus longer ability to shoot the rifle.

    Hope this is helpful,

    CZ

    Last edited by Coldzero; 04-05-2009 at 07:14 AM.
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      #4  
    Unread 04-05-2009, 09:54 AM
    Platinum Member
     
    Join Date: Nov 2006
    Location: Dayton, Nevada
    Posts: 1,938
    Re: best cal. to handle the wind

    As the other guys said. B.C. is the name of the game. It's more important than caliber for bucking the wind.
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