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Need help with a 338RUM

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  #15  
Unread 12-21-2006, 07:56 PM
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Re: Need help with a 338RUM

Marriedman,

My HS Precision 338RUM shoots 210 Barnes TSX's (93grn RL25, fed 215s) very well. They may not be the best in the BC catagory but they shoot well. I could not get it shoot good at all with the Scirroccos. If you are interested in a heavier bullet try the 250 SMK.
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  •   #16  
    Unread 12-22-2006, 08:40 AM
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    Re: Need help with a 338RUM

    RDM416,

    What kind of velocity and accuracy are you getting with
    RL-25 and the 210 gr bullet?

    JD338
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      #17  
    Unread 12-22-2006, 09:56 AM
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    Re: Need help with a 338RUM

    JD338,

    I am getting 3250fps with the 93grn of RL25. My rifle has a 28" barrel. Groups at 100 are in the 1/2" range.

    I might be able to squeeze a little more speed and possibly a little better groups by taking the time to play with more. I bought this rifle specifically for a sheep hunt I went on in 05. It was late coming in and I had 3 days to get a load worked up for it. I tried the Scirocco's and they did not shoot good (1 1/2" groups), tried the 210TSX and they were acceptable, so I loaded up a bunch and went on the hunt.

    I have two 338 Kahn's that Kirby built for me. When it is time to go hunting one of those is what I reach for. As a consequence the RUM has gotten very little attention. One of these days I will do another serious mountain hunt where I want the lighter rifle and will get the RUM tweaked in. But until then it shoots plenty well for blasting yote's out the back door [img]/ubbthreads/images/graemlins/cool.gif[/img]
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      #18  
    Unread 12-22-2006, 09:17 PM
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    Re: Need help with a 338RUM

    RDM416,

    Thanks for the G2.
    I have some good load data for 200, 210, 225 and 250 gr loads. Let me know when you are ready and I will pass the load data on to you. [img]/ubbthreads/images/graemlins/grin.gif[/img]

    JD338
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      #19  
    Unread 12-22-2006, 09:59 PM
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    Re: Need help with a 338RUM

    Please send me your info on the loads.
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      #20  
    Unread 12-22-2006, 11:36 PM
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    Re: Need help with a 338RUM

    338 RUM Load Data

    Here are the loads that I am using in my M700 LSS 338 RUM w/ a Leupold VXIII 2.5x8 scope. I am using R-P brass and Federal GM215M primers.

    200 gr BT
    RL22 90.0 grs
    best 3 shot group @ 100 yds .325"

    200 gr AB
    RL22 92.0 grs
    best 3 shot group at 420 yds 2.265 (2 shots were .507)

    210 gr PT
    RL22 92.0 grs
    best 4 shot group @ 100 yds .425"
    best 3 shot group @ 300 yds 1.285" (2 shots were .590")

    225 gr PT
    RL22 90.5 grs
    best 3 shot group @ 100 yds .450"

    225 gr AB
    RL25 96.0 grs
    best 3 shot group @ 100 yds .567"


    250 gr PT
    RL25 90.0 grs
    best 4 shot group @ 100 yds .490"

    COL is 3.665 which is just under maxium magazine dimensions.

    JD338
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      #21  
    Unread 12-23-2006, 09:08 AM
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    Re: Need help with a 338RUM

    JD338,
    Thanks for sending your data on the RUM. I'm printing the page now to put with my loading data for reference when I start playing with the RUM again. You are probabably get quite a bit more speed out of the 210s since you are using almost as much RL22 as I am RL25.

    I will probably go with the heavier bullets though. After much prodding from guys who know a lot more about this long range stuff than I, I have fianaly gotten off the speed freak bandwagon and started using heavy bullets.

    Richard (Wildcat bullets) is finaly back on line with .338 cal bullets. I have some 325s, and 300s coming in from him. He is also now making 350s and 375s for .338. I think I'll order some of those to play with as well.
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