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.300 WSM Load info

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  #1  
Unread 08-24-2010, 06:59 PM
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Join Date: Jan 2008
Location: Queen Creek / Nutrioso, AZ
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.300 WSM Load info

I'm going to start loading a .300 WSM for a freind to get his groups better at range. Looking for some load data. I think I will start off with Barnes trip shock 180 gr. and would lke to use H1000 powder in front of Fed 215 primers.

Looking for a start load and max load so I can do 1/4 gr steps to tune in the rifle for best group.

Also what # shell holder (RCBS) for the case. I have a ton so told him not to buy one until I check to see if I have it.

Rifle is a stock Weatherby Vangard. Very nice shooter. He was able to take a cow elk @ 550 yds on his first hunt with it factory Fed ammo. One shot and down. His eyes were the size of paper plates when I told him the yrds and where to hold.

Thanks
Tony
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  •   #2  
    Unread 08-24-2010, 09:24 PM
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    Join Date: Apr 2007
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    Re: .300 WSM Load info

    I don't think you will find data for H1000 in the 300WSM as it is too slow for that cartridge. Some guys are posting good results with Reloder17 and I have had decent performance with IMR4350 behind 165 grain Hornady bullets.
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      #3  
    Unread 08-24-2010, 09:32 PM
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    Join Date: Feb 2008
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    Re: .300 WSM Load info

    I can't help with the RCBS shell holder, but can say a few thing about H1000 in a 300 WSM. Hodgdon does not show any data for H1000 and I think the major reason is that H1000 is too slow for the best results in the 300 WSM case. I have used IMR-7828 to load Berger 190 grains bullets so H1000 would probably work also, but you will get much better results with a powder in the burn range of H4350 or IMR-4350. I have used N550 with excellent results and RL-19 is also very good. IMR-4831 will give you more velocity than most and very good accuracy also.

    A great number of powder will give you outstanding results in a 300WSM.
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      #4  
    Unread 08-25-2010, 06:55 AM
    mkg mkg is offline
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    Location: Satillite Beach, Florida
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    Re: .300 WSM Load info

    RCBS shell holder #43

    My accuracy load ...
    Winchester brass
    WLRP
    62.7 grains H-4350 ( work up to this )
    185 grain Berger VLD
    MV= 2995 ft/sec

    I have no experiance with H-1000 . I do still want to try RL_17 though.

    Mike
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      #5  
    Unread 08-25-2010, 09:57 AM
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    Re: .300 WSM Load info

    Thanks for the reply's I'm up to any powders and was looking @ maybe useing berger bullets. There just not off the shelf stuff like barnes are here in Phoenix. Anybody have any data on the RL powders as far as a start - max load?
    Thanks
    Tony
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      #6  
    Unread 08-25-2010, 10:41 AM
    mkg mkg is offline
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    Re: .300 WSM Load info

    Quote:
    Originally Posted by HDTony View Post
    Anybody have any data on the RL powders as far as a start - max load?
    Thanks
    Tony

    Tony there are two recent threads below yours concerning the use of RL-17 in 300WSM.

    Mike
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      #7  
    Unread 08-25-2010, 04:26 PM
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    Join Date: Jun 2005
    Location: North Pole, Alaska
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    Re: .300 WSM Load info

    In my Win 70 in 300 WSM I have had the best luck with

    Reloder 22 with 200gr to 210gr bullets
    H4350 with 175 to 185 gr bullets
    Reloader 17 with 150 to 155gr bullets
    IMR 4831 with 165 to 168gr bullets

    using WLRM primers and WW brass
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