
Once fired Winchester brass, sized, decapped then trimmed to 2.025". The broke out the case prep machine and chambered case mouths inside & out, deburred the primer pocket, (an unnecessary, but "feel-good" step), and then wire brushed the soot and carbon from the pockets.
I'd intended to only do a 30 round test, (15 of each), and discovered that I was down to my last CCI gaschecks. The new ones are from Hornady (be the last of those I buy until they make their .375" 220 gr flat nose again), so I figured I go with a 45 round test to see if there's any difference in gas-check performance on the PC bullets. So, I have 15 rounds of 150gr powder coated bullets with CCI GC, and 15 each of PC and plain lead, both gaschecked with Hornady checks.
As I set about start actual loading:

And the finished product:
