Interesting read; however, the LC 52/53/4 brass I just finished weighing are more in the green graph zone with a weight difference of 8.3 grains.Despite what's printed, there is plenty of actual evidence to the contrary.
Example:
http://carteach0.blogspot.com/2012/05/military-brass-is-thicker-and-heavier.html
"On average, the commercial brass was heavier than all the military. Both Lake City and the commercial were heavier than the Greek HXP military."
Somewhere I have some HPX casings that I expect to be near the WRA brass weights, maybe I should get out the SA Match and head out to the range and weigh some 'fresh' brass.
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