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Reloading Berger Bullets

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pressure signs at 1 grain over books starting load

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  #8  
Unread 08-23-2013, 08:51 AM
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Join Date: Jan 2012
Location: Carlsbad, NM
Posts: 162
Re: pressure signs at 1 grain over books starting load

Check your headspace, especially the headspace of a just resized case. My 6mm was showing ejector marks on minimum loads, then I backed the die off to just touching the shell holder, and not a quarter turn past, and haven't seen an ejector mark since.
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  •   #9  
    Unread 08-23-2013, 09:56 AM
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    Join Date: Jul 2013
    Location: utah.
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    Re: pressure signs at 1 grain over books starting load

    Thanks for the suggestions. ill try these and see what comes up.
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      #10  
    Unread 08-26-2013, 08:59 PM
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    Join Date: Jul 2013
    Location: utah.
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    Re: pressure signs at 1 grain over books starting load

    ok so i tried seating the bullets a little deeper into the case. this seemed to be enough to stop flattening the primers at a load a couple grains heavier then mentioned before (86gr). it is still leaving ejector marks but they are faint and lots of carbon on the neck(dont know if that means much). i didnt have any problem ejecting them. does this sound like something i could ignore?
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      #11  
    Unread 08-26-2013, 10:12 PM
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    Join Date: May 2013
    Location: Elkhorn Idaho
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    Re: pressure signs at 1 grain over books starting load

    You have one of the best bang for your buck rifles out there! But it is a mass produced rifle with a lot of manufacturing tolerances. I would probably say that you have a "fresh" barrel and a "fresh" chamber. This means your chamber was cut with a new die and is tighter than a rifle that was cut with used worn dies. This stands true for the barrel and chamber. I do not want you to assume off this reply that you have a cut rifled barrel but all barrels have a die or a cutter that wear. The newer ones will definitely be different than the last ones produced from the same tooling. I have helped many people reload for this rifle n our reloading classes that we offer and have yet to se a load that can yet repeatedly beat a 25 Sierra with a load of H1000. I know Sierra does not have the sexy name it once had but it really does compete as good as any other bullet especially in the rifle. I will close with on suggeston for this,,WIN MAG PRIMERS.. if you want to surpass the 215
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      #12  
    Unread 08-27-2013, 12:44 AM
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    Join Date: Mar 2012
    Location: North Idaho
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    Re: pressure signs at 1 grain over books starting load

    Quote:
    Originally Posted by shawn338lapua View Post
    i am getting faint rifling marks, but my Col is 3.685 and the book gives me a 3.681, and yep they fit fine in the mag. i have alittle over 100 rounds through it and i try to clean it after every outing. barrel snake, rem-oil. should i try pushing the bullets in a tiny but more, maybe 3.675 and try again?
    Could you have gotten oil in the chamber and that is what giving you high pressure signs? The brass needs to grab the chamber wall during ignition and oil/moisture can give you falls readings. Just a thought.
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      #13  
    Unread 08-29-2013, 05:57 AM
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    Join Date: May 2009
    Posts: 746
    Re: pressure signs at 1 grain over books starting load

    Quote:
    Originally Posted by idaho elk hunter View Post
    You have one of the best bang for your buck rifles out there! But it is a mass produced rifle with a lot of manufacturing tolerances. I would probably say that you have a "fresh" barrel and a "fresh" chamber. This means your chamber was cut with a new die and is tighter than a rifle that was cut with used worn dies. This stands true for the barrel and chamber. I do not want you to assume off this reply that you have a cut rifled barrel but all barrels have a die or a cutter that wear. The newer ones will definitely be different than the last ones produced from the same tooling. I have helped many people reload for this rifle n our reloading classes that we offer and have yet to se a load that can yet repeatedly beat a 25 Sierra with a load of H1000. I know Sierra does not have the sexy name it once had but it really does compete as good as any other bullet especially in the rifle. I will close with on suggeston for this,,WIN MAG PRIMERS.. if you want to surpass the 215
    That's the wrong way around . A new reamer cuts a big chamber and an old worn and resharpened reamer cuts the tight chambers .
    Same with rifling buttons the barrel gets tighter as the button gets smaller .
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      #14  
    Unread 08-29-2013, 06:09 AM
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    Join Date: May 2009
    Posts: 746
    Re: pressure signs at 1 grain over books starting load

    A barrel snake is totally useless as a barrel cleaning device and can even do damage to the crown .
    Rem oil is just a lubricant . However it contains Teflon which is a bad thing in a barrel as when subjected to extreme heat can produce fluorine a very corrosive material.
    Only use the Rem oil outside the barrel ! Use G96 Synthetic gun oil inside the barrel or wheel bearing grease for storage .
    Buy a Dewey cleaning rod . some Hart bronze brushes , some nylon brushes , a roll of chux towelling from home depot and some proper bore solvent . Like Sweets 7.62 , Montana Extreme 50 BMG or Bore tech eliminator .
    Learn how to properly clean the barrel and remove any copper fouling.
    This could be part of your problem the barrel is over fouled and raising pressures .

    Last edited by Bullet bumper; 08-29-2013 at 06:46 AM.
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