I used Isopropyl alcohol to measure case volume to develop .30 caliber 1,000 yard loads. Loss of liquid when dumping into and back out of the case made it less accurate than I anticipated. I weighed cases, both .223 and .308 cases, to sort them and found that sometimes a case with thinner brass thickness at the case mouth weighed more than a case with thicker brass at the case mouth due to differences in head thickness, web thickness and other factors.
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