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300 wsm load data ?

 
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  #1  
Old 03-07-2002, 10:05 PM
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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  
Old 03-07-2002, 10:28 PM
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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  
Old 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
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Speak softly and carry a really big MAGNUM!!!!!!!!!!!
Regards,
Mark
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  #4  
Old 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  
Old 03-09-2002, 10:09 AM
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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  
Old 03-14-2002, 10:32 AM
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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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