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300 WSM suggestion

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  #8  
Unread 09-12-2009, 03:00 PM
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Join Date: Jul 2006
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Re: 300 WSM suggestion

One good thing about the Winchesters is that they have a longer magazine box than most other WSM rifles. I have loaded 200gr Accubonds in mine since they came out, and have had no issues with OAL.

As far as powders, I originally used RL22, but I have switched to H4831sc for metering and temp sensitivity issues. RL 17 sounds very promising, but I haven't been able to try it yet.

Last edited by mikeinaz; 09-12-2009 at 03:02 PM. Reason: grammar
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  •   #9  
    Unread 09-12-2009, 03:55 PM
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    Join Date: Feb 2006
    Location: az
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    Re: 300 WSM suggestion

    poweders- re-17, h4350 h4831 re-19; primers wlrm, 210m, br-2; 165 baltip; 165 part; 168 blistic silver tip
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      #10  
    Unread 09-12-2009, 11:31 PM
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    Join Date: Jan 2009
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    Re: 300 WSM suggestion

    My vote is for h4350 or win 760 168 bergers Win brass and Fed 215 primers. To montana rifleman could you open the bolt after the 2990 210 berger cause thats 200ft faster than I can get them out of my savage.
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      #11  
    Unread 09-13-2009, 12:00 AM
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    Re: 300 WSM suggestion

    Quote:
    Quote:
    Originally Posted by cdn shooter View Post
    My vote is for h4350 or win 760 168 bergers Win brass and Fed 215 primers. To montana rifleman could you open the bolt after the 2990 210 berger cause thats 200ft faster than I can get them out of my savage.
    I got the 210's up to 2935 with 65.5 gr of RL 17 and no signs of pressure other than very slight cartering which didn't look a wholelot different than some of the Fed brass/primers I fired out of that rifle... no stiff bolt. I stopped there. That load "felt" fine but whether or not more firing at that charge would have produced loose pockets, I dont know. The RL 17 produced good velocity results in my rifle with the 180 E-Tips and the 210 Bergers, but nothing spectacular with the 168 TTSX's. The throat in the Sako is long and the 210's seated to the lands only catch 2/3rds of the neck.

    FWIW, I got 200 fps more out of the E-Tips with RL 17 than with H4350. never tried any other powder with the Bergers.

    -MR

    Last edited by MontanaRifleman; 09-13-2009 at 05:45 PM.
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      #12  
    Unread 09-13-2009, 02:57 PM
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    Join Date: Jul 2007
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    Re: 300 WSM suggestion

    You can't go wrong with H-4350, as stated it wont drive the heavy bullets as fast as some other powders but it is easy to get to shoot. You dont need magnum primers but often times they like them more. I shoot a 175 SMK over H-4350 and this load has shot 1/2 moa in two of my rifles as well as a friends rifle and one I tested for a smith. Just seems to shoot.
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      #13  
    Unread 09-13-2009, 04:51 PM
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    Re: 300 WSM suggestion

    Also gotten my best groups with R-17 pushing berger 175s and 190 s out of my savage. The only problem is the barrel heats up very fast"pencil"so I space my shots about 10 minutes apart and the groups stay real tight, if I shoot with about 2 mins. between shots the groups open up to around 1.5 inches.
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