So, my little chart of relative big 7 case capacities is just that, relative and not a real accurate comparison. These data were picked up on line, so who knows the methods or precision used with each measurement.
I guess it gives only a ball park idea of how those rounds line up.
DF
..................(gr. H2O)
7.21 Lazaroni.......117
7 RUM...............114.8
7 LRM...............100
7 STW...............98.3
26 Nosler...........93...(may be slightly more opened to 7mm)
7 Washburn Super..90
7 Wby...............87.5
7 Jarrett...........85.5
7 Dakota............85
7 RM................83.2
7 WSM...............83
