BJung
Member
I never weighed 9mm brass yet but have weighed my collection of range brass for 40cal. I didn't have Norma brass to weigh. Of the 50 pieces of Federal brass I weighed, 5 weighed 67gr and 45 weighed 69gr 10% to 90%. Of the 50 pieces of Winchester 40cal brass I sampled, 15 weighed 67gr and 35 weighed 69gr (30%/70%).