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Thread: First Misfire

  1. #1

    First Misfire

    Had my first misfire this morning, as this has not happened before I have never gave it much thought, but looking at the photo is there anything I could of done to avoid this problem or should I put it down to a one off. The primer is CCI 200 LR.
    Attachment 19332
    Last edited by Cumbrian 1; 19-09-2012 at 07:33. Reason: spelling

  2. #2
    Certainly a healthy primer strike, but might be worth just stripping your bolt down to give the striker a good clean - may be a little of gunk in there slowing down the speed of strike.

    Other than that just make sure your primers are not contaminated my oil, water or even hand sweat etc. They do say try not to handle primers at all, as they are quite easily contaminated and a tiny bit of oil wil stop them working. Chances are, if you are like me, your store your primers in your ammunition cabinet, along with cleaning kit etc. - one day an oil bottle will tip over as you stuff everything in.

  3. #3
    Quote Originally Posted by Heym SR20 View Post
    Certainly a healthy primer strike, but might be worth just stripping your bolt down to give the striker a good clean - may be a little of gunk in there slowing down the speed of strike.

    Other than that just make sure your primers are not contaminated my oil, water or even hand sweat etc. They do say try not to handle primers at all, as they are quite easily contaminated and a tiny bit of oil wil stop them working. Chances are, if you are like me, your store your primers in your ammunition cabinet, along with cleaning kit etc. - one day an oil bottle will tip over as you stuff everything in.
    That is old advise regarding 'contaminating' primers almost impossible to do nowadays. The protective coating pretty much has negated contamination issues.
    One can find tests of primers which had cases filled with water, oil and wd40 for a week and they still fired!
    This advise about neutralising primers is a long time out of date!

    One thing to look for is seating pressure, the grimace on the face whilst seating primers will damage them and cause a misfire.
    A too lightly fitted primer will cause problems too.
    Most likely cause was just a faulty primer!
    Last edited by j0e_bl0ggs; 19-09-2012 at 12:34. Reason: HIGHLIGHT

  4. #4
    Probable problem - primer not fully seated when reloading. How many times has the brass been used, is the primer pocket a bit slack ?

  5. #5
    Quote Originally Posted by EMcC View Post
    Probable problem - primer not fully seated when reloading. How many times has the brass been used, is the primer pocket a bit slack ?
    Slack primer pocket cause of misfire? Not unless the primer fell out!
    I would hope that if the primer pocket is loose the brass would be scrapped.

  6. #6
    look at the depth of that strike, that's got to be a faulty primer!

  7. #7
    Quote Originally Posted by PKL View Post
    look at the depth of that strike, that's got to be a faulty primer!
    Just what I was thinking, it looks like its be hit by a ball pein hammer.
    Last edited by Cadex; 20-09-2012 at 10:54.

  8. #8
    unless the firing pin knocked the primer to bits with that deep strike? to the OP - do all your spent primers look like that?

  9. #9
    Quote Originally Posted by PKL View Post
    look at the depth of that strike, that's got to be a faulty primer!


    Yes! It's just a bad primer! It happens.~Muir

  10. #10
    Quote Originally Posted by PKL View Post
    unless the firing pin knocked the primer to bits with that deep strike? to the OP - do all your spent primers look like that?
    It looks pretty much the same as all the other spent primers.

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