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old roper · September 10, 2012, 04:42 PM

September 10, 2012, 04:42 PM	#7
old roper Senior Member Join Date: June 11, 2007 Posts: 2,155	Need to read this http://www.exteriorballistics.com/eb...ned/5th/31.cfm http://www.accurateshooter.com/techn...-air-pressure/ http://www.hornady.com/ballistics-resource/external __________________ Semper Fi Vietnam 1965 VFW Life member NRA Life Member