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Thread: Kimber Montana 308 Load Development

  1. #1
    Member Tikka7mm08's Avatar
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    Kimber Montana 308 Load Development

    Stoked to have this wee rifle at last (5.17lb with the Talleys). Looking forward to load development and maybe suppressing as funds allow. Got some Norma brass, CFE223 powder (read good things about it but have other powder too) and some Fed LR match primers. Going to try 168gn LRABs and go from there. Trigger is astonishingly good, v.light and I think the best I have had...bench time will confirm.

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  2. #2
    Gkp
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    Try win 760 and 168 eldm or 165 targex. Should get you 0.3 moa. What barrel length is it?
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  3. #3
    MSL
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    22 Id say



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    I may have an alloy trigger guard if your interested. It puts it very close in weight to the ascent. Not sure if the newer montana have stainless trigger guards still.

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    Very nice looking foward to see how she shoots. Really want to get a kimber one of these days.

  6. #6
    Member Tikka7mm08's Avatar
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    Quote Originally Posted by Stocky View Post
    I may have an alloy trigger guard if your interested. It puts it very close in weight to the ascent. Not sure if the newer montana have stainless trigger guards still.
    I'll have a look. This it is quite new - 22" factory threaded. Need to decide whether to chop barrel before adding DPT.

  7. #7
    Member Tikka7mm08's Avatar
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    Quite a difference!


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  8. #8
    Gkp
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    If the barrel is the same contour as the accent then it will suffer from barrel whip. Shorten it and it will come right. Only one way to find out but.

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    Member Micky Duck's Avatar
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    huge leap in pressure for that extra 135fps.........
    760 is so easy to metre its not funny...even just using spoons its dead easy to load with.
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  10. #10
    Gkp
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    Quote Originally Posted by Tikka7mm08 View Post
    Quite a difference!


    Attachment 128816
    Depends if you are chasing speed or accuracy. If it is anything like the 308 accent I loaded for then cfe 233 won't be the go. Give it a try and let us know which you prefer

  11. #11
    Member Micky Duck's Avatar
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    my vote would be to try it with suppressor at current length.....you keep velocity high without having to stoke it up quite as much. my .308 is actually 2"s longer than my old .270 and it doesnt bother me too much even in thick bush,now Ive got used to it....the lack of huge ear splitting boom is much easier....

  12. #12
    MSL
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    2518grams/5.51pounds, chop it way back!


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    Quote Originally Posted by Gkp View Post
    If the barrel is the same contour as the accent then it will suffer from barrel whip. Shorten it and it will come right. Only one way to find out but.
    Never had an issue with my Ascent. But it was 6.5 Creed. Did you lea e brake on? If not recoil can show as whip if not resetting.

  14. #14
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    Quote Originally Posted by Micky Duck View Post
    huge leap in pressure for that extra 135fps.........
    Different units of pressure mate
    Don't quote me but is about 52000 CUP is about 60000 PSI in the 308 win.
    @Tikka7mm08
    A well know accurate load for the 308 is 41.5Gr of H4895 (ADI 2206H same powder) with a 168SMK, This is a low pressure target load using Mil brass but will give you a good starting point.
    Nosler list BL-C2 as the most accurate powder with the 168Gr and CFE-223 is very similar so you could be onto something.
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    If power matters, recoil will be a necessary evil

  15. #15
    Member Tikka7mm08's Avatar
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    Yes I did some reading on various forums and CFE223 seems rated for 308 and supposedly leaves a cleaner barrel with reduced copper fouling (bonus). Will give it a go. Just need a scope.

 

 

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