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Long Gun

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  1. Long Gun

    Tears in Case necks

    As I've said, the damage is being done before the trimming process, maybe I could do with replacing my trimmer for a nicer one but a blunt cutter isn't the issue here.
  2. Long Gun

    Tears in Case necks

    Cheers
  3. Long Gun

    Tears in Case necks

    Good replies last couple, any specific recommendations for a decent trimming tool and a better deburring tool? Also, can the propellent have an effect? I know certain ones are harsher on barrels than others.
  4. Long Gun

    Tears in Case necks

    I trim with a case trimmer, a Lee precision one, the type that comes in two pieces. One end that goes down the case and contacts the base that the case screws into. I deburr with a deburring tool.
  5. Long Gun

    Tears in Case necks

    Tbh, my rifle still seems to be shooting fine, but clearly it's still bugging me. Is there a chance this isn't even a big problem?
  6. Long Gun

    Tears in Case necks

    No, some cases are fine, some have a couple of gouges, some look like they've been dragged across a brick.
  7. Long Gun

    Tears in Case necks

    The second photo still isn't clear?
  8. Long Gun

    Tears in Case necks

    Aha! Laying them on the side indeed allowed me to focus on the case mouths. Better photo for you all. Nice one on the left, knackered one of the right.
  9. Long Gun

    Tears in Case necks

    I've got plenty of nice neat cases, but an alarming amount of these gouged up ones. Same thing with my old .308.
  10. Long Gun

    Tears in Case necks

    All this brass has done 2-3 firings. Most disappointing.
  11. Long Gun

    Tears in Case necks

    I'm using one of those Lee precision handheld deburring tools. The small one without a handle. You use it on the outside of the case then turn it round to do the inside. The marks are present from the actual firing, not the tool however.
  12. Long Gun

    Tears in Case necks

    I could, simply deburr the cases down past the ragged bits, but my concern is that I would then be trimming the case down below it's proper length?
  13. Long Gun

    Tears in Case necks

    There you go. Sorry for the fuzziness but it's the best I could muster. You can still see the raggedness of the case on the right.
  14. Long Gun

    Tears in Case necks

    Hello all, Current case prep includes: Neck resize, trim case to length, deburr inside and outside edges. Problem I'm getting is that loads of my cases seem to be left with big gouges at the tops of the necks, quite large and deep a lot of them, giving the tops of the cases a ragged finish. Is it just a case of deburring all these off to level the neck of the case (would take off quite a lot of brass considering the cases have already been trimmed), or am I missing a vital stage that would alleviate this (neck turning or something) Brass is Lapua 6.5 creedmoor, fired about 3 times each per case.
  15. Long Gun

    Mrad help

    MRad is an angular unit of measure like you say. To that end the amount of space an MRad covers on paper will increase in direct proportion with distance: . 1Mrad at 100m is 1cm . 1Mrad at 200m is 2cm .1Mrad at 300m is 3cm Hope that helps and Merry Christmas
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