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Old 04-20-2012, 10:00   #120
Colorado4Wheel
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Join Date: Nov 2006
Location: CO
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So I went to SAMMI now that I am in front of a real computer. 9mm is .3555 and they don't give any data for Lead in 9mm or .40. .357 has unique data for Lead and Jacketed. That is what JR doesn't get. People want his aftermarket barrel to work it Lead in those Glock calibers but he doesn't account for it.

http://www.saami.org/specifications_...wnload/205.pdf
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