User talk:2600:8801:2EA9:BF00:7D34:F56F:472:2CA9

37mm shell weight
No 37mm gun fired a shell nearly that heavy. Typical is 600-800grams. The heaviest I ever heard of was 860 grams, and that was an extreme outlier solid steel shot. Perhaps the weights given are those of the entire round, including shell, shell case, and propellant?