If it wasn't listed, I'd consult an older one...

my main source for load data tho...

https://stevespages.com/page8a.htm

for the 6mm Rem in particular...

https://stevespages.com/243_7.html

"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC

“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez