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Load for Cooper model 22 6.5x284

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  #1  
Unread 07-29-2013, 09:01 PM
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Load for Cooper model 22 6.5x284

Just looking to see what everyone is useing to get a good base start I am starting with 51 grains with the bullet being .01 off the lands. Did shoot a load of 51.5 and seemed a little tighter, But was just seeing what everyone is shooting.

Berger vld 140 hunting
4831sc
Lapua brass

Thanks
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  •   #2  
    Unread 07-29-2013, 11:44 PM
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    Re: Load for Cooper model 22 6.5x284

    You started where I ended up. I could eek out a little more velocity but my groups got a little bigger. I figured I could live with 1/4-1/2 MOA and a little less velocity. I was right at 2890 fps.
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      #3  
    Unread 07-30-2013, 05:36 AM
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    Re: Load for Cooper model 22 6.5x284

    I have gotten good results using 53gr of H4831sc, Fed 210M primers, Lapua brass, 140 Bergers. My Cooper and Savage both like the bullet seated .075" off the lands. I get 2940FPS. Using 57.5 gr of Retumbo and Fed215's gives equivalent accuracy and 2980 FPS. Temperature stability with both powders is excellent.
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      #4  
    Unread 07-30-2013, 06:36 AM
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    Re: Load for Cooper model 22 6.5x284

    Just last weekend I tried the 140gn A-Max ahead of 59gns of Retumbo, in Lapua brass, lit by CCI BR2's. In my heavy barreled Savage this load shot on hole at 100yds @ 3038fps. At 700yds it shot 3-3.5" groups. It was 90* and there was extreme mirage that day so I may be able squeeze a bit more accuracy out of it on a cooler day. JohnnyK.
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      #5  
    Unread 07-30-2013, 10:39 AM
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    Re: Load for Cooper model 22 6.5x284

    Here is what I shot the other day. I think I can get them tighter. 100yds
    Attached Thumbnails - Click to View Larger
    Load for Cooper model 22 6.5x284-imag1636.jpg   Load for Cooper model 22 6.5x284-imag1638.jpg  

    Load for Cooper model 22 6.5x284-imag1637.jpg  
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      #6  
    Unread 07-30-2013, 11:12 AM
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    Re: Load for Cooper model 22 6.5x284

    Quote:
    Originally Posted by ust421 View Post
    Here is what I shot the other day. I think I can get them tighter. 100yds
    You might try varying seating depth. My groups varied from .75-.25 MOA between .010" and .075" off the lands with the 140 VLD's. My .25MOA groups were very consistent at .075" off the lands in my Cooper.
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      #7  
    Unread 07-30-2013, 11:44 AM
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    Re: Load for Cooper model 22 6.5x284

    The barrel was a little warmer with the .081 off.
    Attached Thumbnails - Click to View Larger
    Load for Cooper model 22 6.5x284-imag1639.jpg   Load for Cooper model 22 6.5x284-imag1640.jpg  

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