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243 AI With 105 Bergers

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  #1  
Unread 02-23-2011, 12:33 PM
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Join Date: Aug 2010
Location: Reno Nevada
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243 AI With 105 Bergers

Hi,
I have a 243 AI project with a pac nor 26' barel that I am trying to get max velocity from with 105 Bergers
Anyone got any ideas? Tried RE 22 46.5 grs started showing pressure.
Looking at RE 25 or anything else that might work. Trying 47 grs of RE 25 this weekend.
Please give me your thoughts.
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  •   #2  
    Unread 02-23-2011, 04:33 PM
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    Re: 243 AI With 105 Bergers

    Might want to give H4350 and RL17 a go. The 17 will more than likely produce your highest velocities. N540 or 550 would also be something to look into. Have you looked at the article on the 243AI on Accurateshooter.com? Here's a link to check out: 243 Win Cartridge Guide within AccurateShooter.com According to this article, H4831sc is a good velocity load also.

    Tank
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      #3  
    Unread 02-23-2011, 07:30 PM
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    Re: 243 AI With 105 Bergers

    Quote:
    Originally Posted by Terry Scott View Post
    Hi,
    I have a 243 AI project with a pac nor 26' barel that I am trying to get max velocity from with 105 Bergers
    Anyone got any ideas? Tried RE 22 46.5 grs started showing pressure.
    Looking at RE 25 or anything else that might work. Trying 47 grs of RE 25 this weekend.
    Please give me your thoughts.
    My chrono croaked a few years ago and without one it is just a guesing game. I've had to go out shooting with chrono owner friends.

    I have the .243 rem with 26 inch using Winchester cases. I have been using winchester Large rifle primers never mag primers. IMR 7828 SCut powder It takes about 1.5 grain more than R-22 to get the same pressure, but my average speed went up 34 fps with speer 105 home moly coated.

    I got away from 105's and now I'm focused on Nosler 100 BT's Hodgdon H 100V seems promising
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      #4  
    Unread 02-24-2011, 01:00 PM
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    Re: 243 AI With 105 Bergers

    Thanks Everyone, I think this will be a great start.
    Terry
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      #5  
    Unread 02-24-2011, 07:55 PM
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    Re: 243 AI With 105 Bergers

    I am shooting 50.5 gr. H-1000 and 105 bergers. Velocity is 3170 and no pressure signs. Don't know if this is max velocity. I suppose it isn't. This load shoots so well in my gun that I looked no farther. Have shot several 5" groups at 985 yds.
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      #6  
    Unread 02-25-2011, 07:20 AM
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    Re: 243 AI With 105 Bergers

    51 Grains Retumbo works well in mine for a velocicty around 3250 with a Fed 215 out of a 26 3/4" Broughton. I have just recently started shooting 52 grains of Magnum at 3280. Both are warm but I have several reloads on the cases.
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