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Thread: 6.5 cases

  1. #1

    6.5 cases

    I was out today with a fellow stalker friend for a bit of range time, he had put a few rounds down then went to cycle another round and found that his cases had split into two pieces. We got the larger part out of the chamber easily, load another round, bang....fine. Loaded another, same again round in two bits. This was the third time these Norma cases had been reloaded, no pressure signs and cases in good condition. Rifle... 6.5x55 in a Blaser R8.
    Any ideas, bad brass????

    Attachment 34023Attachment 34024

  2. #2
    case head separation,basically worn out brass,bin the lot and buy new

  3. #3
    Quote Originally Posted by tikka2506 View Post
    I was out today with a fellow stalker friend for a bit of range time, he had put a few rounds down then went to cycle another round and found that his cases had split into two pieces. We got the larger part out of the chamber easily, load another round, bang....fine. Loaded another, same again round in two bits. This was the third time these Norma cases had been reloaded, no pressure signs and cases in good condition. Rifle... 6.5x55 in a Blaser R8.
    Any ideas, bad brass????
    Same symptoms as this ..........?

    Split 30-06 cases what's the cause likely to be?!
    If I'm going to be accused of it then it's just as well I did it.

  4. #4
    headspace and/or
    overly sized in a FL die shoulders pushed back too far

    how do you know they were third time reloads? can you be sure?
    most of my norma brass is well over 6 or 7 times reloads

  5. #5
    Splitting in different places as well. Not fun
    Sako 75 6.5x55mm-Z6i 3-18x50. MauserM12 .308-SIII 6-24x50. Beretta 690 III Field 12b.
    "You have enemies? Good. That means you’ve stood up for something, sometime in your life."
    Sir Winston Leonard Spencer Churchill (1874-1965)

  6. #6
    Wowsers, that's scary!
    Hopefully it has just been caused by excessive full length sizing of the brass.

  7. #7
    A friend of mine using his Blaser 30-06 and Lapua brass had case splitting after very few firings. This particular problem was cured by backing off full length die until brass dimensions were only marginally less than chamber dimension. This allowed the bolt to close normally yet didn't over work the brass. Case life is much longer.

  8. #8
    Quote Originally Posted by andy View Post
    A friend of mine using his Blaser 30-06 and Lapua brass had case splitting after very few firings. This particular problem was cured by backing off full length die until brass dimensions were only marginally less than chamber dimension. This allowed the bolt to close normally yet didn't over work the brass. Case life is much longer.
    +1 on this. I was getting 3 loads out of my cases (R93 .270) Mike Norris (and Andy) suggested this might be the problem and he was right. Now I just resize as little as possible and all is good.

  9. #9
    Its them bloody Blazers again this full sizing plays havoc on the brass.

  10. #10
    Quote Originally Posted by bewsher500 View Post
    headspace and/or
    overly sized in a FL die shoulders pushed back too far

    how do you know they were third time reloads?
    can you be sure?
    most of my norma brass is well over 6 or 7 times reloads

    Look for the hacksaw mark on the head...
    Last edited by j0e_bl0ggs; 28-10-2013 at 09:33.

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