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Dave R · September 12, 2009, 10:46 PM

I trim first time I put the brass in use. MOST commercial brass is long. I just fired some South African surplus (DNL) and some Greek Olympic, and both measured 1.765-1.77 after first firing.

But then it doesn't need trimming again for 4-5 reloadings. I measure after I resize, and I find it takes several firings for them to lengthen enough to need trimming again.

September 12, 2009, 10:46 PM	#11
Dave R Senior Member Join Date: January 7, 2000 Location: Idaho Posts: 6,073	I trim first time I put the brass in use. MOST commercial brass is long. I just fired some South African surplus (DNL) and some Greek Olympic, and both measured 1.765-1.77 after first firing. But then it doesn't need trimming again for 4-5 reloadings. I measure after I resize, and I find it takes several firings for them to lengthen enough to need trimming again. __________________ I am Pro-Rights (on gun issues).