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.300 Win Mag Reloads

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  #1  
Unread 07-10-2008, 04:59 PM
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Join Date: Mar 2002
Location: KY - LA
Posts: 40
.300 Win Mag Reloads

I need some educated guesses from everyone on this factory load my rifle likes as it shots .6" group:

Remington Premier .300 WM 180gr Ballistic Tip

So
Remington brass
Remington 9 1/2 M Primer
Nosler 180gr Ballistic Tip

Any good guesses on the closest powder? And amount? I need to find someone with a chrono to help narrow it down.

I was ready to junk this Rem 700 ADL and these rounds when on sale so I tried them to the above success.
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  •   #2  
    Unread 07-12-2008, 07:10 PM
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    Without ballistics there is no way to even guess on a load.
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      #3  
    Unread 07-12-2008, 08:03 PM
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    Quote:
    Originally Posted by Kobra View Post
    I need some educated guesses from everyone on this factory load my rifle likes as it shots .6" group:

    Remington Premier .300 WM 180gr Ballistic Tip

    Any good guesses on the closest powder? And amount?
    You are probably aware that Remington has their own proprietary powders, but you can simply pull one of your factory rounds and weigh the powder so you get an idea of how full the case is.

    You are also correct in needing to find the velocity so you can attempt to duplicate it.

    There are so many good powders that will work in the 300 mag with a 180 bullet:

    VV N165, VV N160, VV N560
    H1000
    Retumbo
    H4831SC
    Re22
    Re25
    MRP/MRP-2
    IMR4831, 7828
    Magpro
    Ramshot Magnum
    US869
    XMR3100

    Even the 4350s

    Nosler's website shows IMR4350 giving best velocity, 3130, and the max load of this powder was best tested within its charges. Re22 was only a few fps slower at 3118, but also the max load was most accurate.
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    Derek M.

    Last edited by Derek M.; 07-12-2008 at 08:07 PM.
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      #4  
    Unread 07-12-2008, 08:29 PM
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    There really isn't any way to get the same round loaded. Remington isn't going to give up their secrets. However, as Derek said there are many different powders available to shoot so why not just do some experimenting of your own.
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    -- Well, at least I try --
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      #5  
    Unread 07-14-2008, 11:57 AM
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    Join Date: Mar 2002
    Location: KY - LA
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    As I figured. I was hoping you guys had a natural good guess to help narrow it down. With it being Remington and a custom powder, I figured I was out of luck. I guess I'll wait to see what fps I am getting and find out how many grains are in there.........
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