Soot
I've read about it from time to time but today was my first loading that left me dumbfounded by the degree of soot on my cases. I've been loading for 357 Sig, 40 S&W and 45 ACP with Universal or Titegroup without a hitch. Only using 230 RN lead and plated bullets before the loads have been very clean. Today I loaded 6.1gr Universal with 185gr Ranier HP and went to test a few rounds to be certain they would feed properly. No feed issues and didn't notice any smoke while firing but man; the cases were covered in soot and anything they touched was too. No signs of pressure and the loads proved very accurate. Wonder why the soot with this particular load?
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