please tell me what the Lyman manual abbreviations on bullets of "BC" and "SD" mean? [Archive]

daddyseal

06-24-2012, 02:18 PM

thank you

500MAG

06-24-2012, 02:29 PM

BC= Ballistic Coefficient
SD=Sectional Density

daddyseal

06-24-2012, 02:32 PM

BC= Ballistic Coefficient
SD=Sectional Density

thanks, friend