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Sendero, 300 RUM load w/ 210 Berger?

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  #1  
Unread 12-25-2012, 11:23 AM
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Sendero, 300 RUM load w/ 210 Berger?

Hello. I'm new here, so bear with me.

I have a Sendero in 300 RUM. I've been shooting 200 grain accubonds with disappointing groups (1") no matter what I do in terms of powder charge or COAL. I'm thinking of giving the Berger 210 a try. Does anyone have the perfect load worked up for the Berger 210 in their Sendero 300 RUM that they'd be willing to share? Would prefer to stay with the standard 3.60" COAL if possible so the factory magazine well will work.
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  •   #2  
    Unread 12-25-2012, 02:28 PM
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    Re: Sendero, 300 RUM load w/ 210 Berger?

    You should consider the 215 hybrid. I load them for a buddy of mines 300 ultra Sendaro. With H-1000 it shoots under 1/2 inch. They didn't seem to be sensitive to seating depth and it didnt take a lot of effort to find an accurate load. One problem may be the Coal. His is too long to load in the mag .
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      #3  
    Unread 12-25-2012, 03:33 PM
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    Re: Sendero, 300 RUM load w/ 210 Berger?

    Quote:
    Originally Posted by Cheyenne 1 View Post
    You should consider the 215 hybrid. I load them for a buddy of mines 300 ultra Sendaro. With H-1000 it shoots under 1/2 inch. They didn't seem to be sensitive to seating depth and it didnt take a lot of effort to find an accurate load. One problem may be the Coal. His is too long to load in the mag .
    What powder charge did you use with the 215's? I just bought 100 of them and want to try them in my 300 rum
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      #4  
    Unread 12-25-2012, 06:02 PM
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    Re: Sendero, 300 RUM load w/ 210 Berger?

    We were using 91grains of h1000. And they were around 2975fps And I think they were about 50 thou off the lands
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      #5  
    Unread 12-25-2012, 06:10 PM
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    Re: Sendero, 300 RUM load w/ 210 Berger?

    210 Berger
    85.5 Grains of Retumbo .
    Seated 22 thousandths off the lands.
    Federal 215 match primer.
    Remmy brass.

    MV 3,050 verified by my Exbal program.

    Shoots consistently 8 MOA at 1000 Yards
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      #6  
    Unread 12-25-2012, 07:06 PM
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    Re: Sendero, 300 RUM load w/ 210 Berger?

    Quote:
    Originally Posted by bigbuck View Post
    210 Berger
    85.5 Grains of Retumbo .
    Seated 22 thousandths off the lands.
    Federal 215 match primer.
    Remmy brass.

    MV 3,050 verified by my Exbal program.

    Shoots consistently 8 MOA at 1000 Yards
    8 moa at 1000?? or 8" at 1000.... 1 moa would be around 10" at 1000.
    sorry but I thought I'd ask.

    We've been using 180,190, and 225 hornady with either rl25, rl33, or rl50 here. 180's at 3300 fps, 190's at 3200 fps, and 225's at 3K fps at 1/2 moa (1") at 200. The 300 rum simply doesn't care what you feed it and both my bdl lh and my brother's sendero shoot about the same.
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      #7  
    Unread 12-25-2012, 07:12 PM
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    Re: Sendero, 300 RUM load w/ 210 Berger?

    Thanks for the info. What COAL are you guys loading those 210s to? More than SAAMI 3.60"?
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