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300 wsm load data ?

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  #1  
Unread 03-07-2002, 10:05 PM
Junior Member
 
Join Date: Jan 2002
Location: Colo
Posts: 14
300 wsm load data ?

Does any one shoot and have load data for the 300 wsm, I,ll be using sierra 175 or 190 bullets. - powder - primers
-
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  •   #2  
    Unread 03-07-2002, 10:28 PM
    Platinum Member
     
    Join Date: May 2001
    Location: Sask. Canada
    Posts: 2,410
    Re: 300 wsm load data ?

    Winchester's factory 180's are loaded with 69 grains of standard Win. 760 powder - interesting that any handloader can duplicate that charge. Their lighter 150 grain bullet loads have a special blend of ball powder that we cannot get. I expect that they are using Win. magnum primers.
    Since the factory ammo is so accurate I would definitely start with 760.
    Good luck with the WSM.
    ian
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      #3  
    Unread 03-08-2002, 06:59 PM
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    Join Date: Mar 2002
    Location: NE Pennsylvania
    Posts: 21
    Re: 300 wsm load data ?

    Bones,

    Try
    www.hodgdon.com

    In my 338 WSM, I use 180gr Bal Tips with the following.

    Win Brass
    Fed 215 Primer
    67.8gr H4831SC
    __________________
    Speak softly and carry a really big MAGNUM!!!!!!!!!!!
    Regards,
    Mark
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      #4  
    Unread 03-08-2002, 07:22 PM
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    Join Date: Jan 2002
    Location: Colo
    Posts: 14
    Re: 300 wsm load data ?

    Thanks guys,
    Also some else said they have had great luck with 71gr of Reloader-22 and the sierra 175 bullet.
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      #5  
    Unread 03-09-2002, 10:09 AM
    Junior Member
     
    Join Date: Mar 2002
    Location: NE Pennsylvania
    Posts: 21
    Re: 300 wsm load data ?

    Bones,

    Also consider H380, H414, & W760.

    Although I use varing charges of the above powders in my 338 WSM, the powders above pretty much shoot to the same point of impact in my custom Sendaro.
    __________________
    Speak softly and carry a really big MAGNUM!!!!!!!!!!!
    Regards,
    Mark
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      #6  
    Unread 03-14-2002, 10:32 AM
    Junior Member
     
    Join Date: Mar 2002
    Location: Dallas
    Posts: 1
    Re: 300 wsm load data ?

    I have a 300WSM in Win Coyote Version. I rebedded the stock(Winchesters bedding was Hot Glue) and on my 3rd reload set punched a <.25 MOA group. Pretty impressed with my self and the WSM cartridge. But, this group was 66 grains of RL19 and 168 grain moly coated HPBT Match from Hornady, -10 mils off lands, not a hunting round. Haven't had a chance to work up a good hunting load, although the 150 grain ballistic silver tip from Winchester groups at .6 moa in my gun. good shooting.
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