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264 Win Mag Powder & 140gr Accubonds?

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  #1  
Unread 09-27-2009, 04:24 PM
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264 Win Mag Powder & 140gr Accubonds & seating depth?

This beauty needs to perform to it's potential since my 7mm Rem Mag will push a 140gr @ 3350 FPS with RL22.



It is a 26" 1-8 twist.

So far I am getting my best results with 64.5gr RL25, but that puts me in the 3100 FPS range. I used to get 3250 FPS easy with another 264 WM years ago with H870. But I don't have any H870 anymore :( When I ran out of H870 with that rifle I used 64gr RL25 @3090 FPS in that one with good accuracy.

Groups seem to open up @ 65gr RL25 :(

I am 10 thousandths off the lands

So you 264 fans need to help me out. I am especially interested to see if anyone is using Retumbo or US869 with favorable results.
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Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.

Last edited by Wookie316; 10-04-2009 at 11:04 PM.
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  •   #2  
    Unread 09-28-2009, 06:50 AM
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    Re: 264 Win Mag Powder & 140gr Accubonds?

    You will be lucky to get 3250 with 140 gr bullets.

    I load H 4350 for mine with 140 gr Nos-parts to 3200..

    The bigger case always wins,,you will not match your 7mm for velocity with the same wieght

    3350 seems real hot for a 7mm rem mag, the 7 Rum chrons at 3400-50 avg with 90-95 grains of powder in a 26 inch barrel.
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      #3  
    Unread 09-28-2009, 07:29 AM
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    Re: 264 Win Mag Powder & 140gr Accubonds?

    I plan to back down a bit on the 7mm as that is a bit warm.

    If I can hit 3200 FPS with Retumbo or US869 & good accuracy I'll be happy.
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    Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.
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      #4  
    Unread 09-28-2009, 06:57 PM
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    Re: 264 Win Mag Powder & 140gr Accubonds?

    My 264 Win mag has a 27 3/4" barrel. I have not tried the 140 AB but I have found that 66.5 grs Retumbo , CCI 250, WW case reformed from a 7mm Rem. mag case, 130 AB ten thousands off the lands gives me 3350 fps and shoots in the .4's at 100 yards. I have not been able to try it at longer ranges yet. I just got the rifle a while back and have not had much time to work wih it. I agree with the others I don't think you will be able to get 3400 fps with the 140's.
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      #5  
    Unread 09-28-2009, 09:12 PM
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    Re: 264 Win Mag Powder & 140gr Accubonds?

    I know 3400 FPS is not possible, but 3250 FPS should be easy with the right powder. My last one did that.
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    Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.
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      #6  
    Unread 09-29-2009, 05:29 AM
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    Re: 264 Win Mag Powder & 140gr Accubonds?

    I think you can get it...

    I have seen 3400 in a 7mm rem mag before at the range from a browning high wall with H4831
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      #7  
    Unread 09-29-2009, 07:09 AM
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    Re: 264 Win Mag Powder & 140gr Accubonds?

    Quote:
    Originally Posted by JYuke View Post
    I think you can get it...

    I have seen 3400 in a 7mm rem mag before at the range from a browning high wall with H4831
    7mm Rem Mag yes, 3418 FPS was the highest I got out of mine on Sunday.

    264 WM NO. I think even with a 26" barrel 3250 FPS will be close to max.
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    Amanda. May 11/1984 - Mar 21/2011. Smile down & watch over me & the kids.
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