ams30gts Posted April 7, 2017 Share Posted April 7, 2017 Processing some 5.56 for a customer and the Mark 7 clutch triggered when resizing some. I generally set the clutch to 1 or 2, but it would trigger at 3 and 4. Is this case head separation? I don't know anything about this brass like how many times it has been fired etc. Link to comment Share on other sites More sharing options...
PaladinPrecision Posted April 7, 2017 Share Posted April 7, 2017 Looks like it, do you have some un sized examples? How far down the neck did it size? Link to comment Share on other sites More sharing options...
ams30gts Posted April 7, 2017 Author Share Posted April 7, 2017 (edited) 18 minutes ago, PaladinPrecision said: Looks like it, do you have some un sized examples? How far down the neck did it size? The Dillon trim die got down to the line where the case head starts. the rest of the brass was fine. But this happened to roughly 20 out of 3000. Edited April 7, 2017 by ams30gts Link to comment Share on other sites More sharing options...
practical_man Posted April 7, 2017 Share Posted April 7, 2017 That sure looks like pending separation to me. Slide a bent paper clip clip along the inside case wall. If you feel a groove you know for sure it's split. I would toss it in the recycling bin. Link to comment Share on other sites More sharing options...
PaladinPrecision Posted April 9, 2017 Share Posted April 9, 2017 On 4/7/2017 at 2:55 AM, ams30gts said: The Dillon trim die got down to the line where the case head starts. the rest of the brass was fine. But this happened to roughly 20 out of 3000. Oh, 20 of 3000 I would just toss them in the recycle bin and move forward. Your talking like 00.7 percent of the brass. Link to comment Share on other sites More sharing options...
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