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Ammunition quality control news from the shop floor
Notes on feeding, sorting, weighing and inspecting ammunition, from the people who build the equipment.
Why Sampling Misses the Bad Round: 100% Weight Inspection
A published recall found about 1,024 double charges in a 440,000-round lot, roughly one in 430. Here is why random sampling can miss defects that rare, and how weighing every round to a tenth of a grain, inline, changes the math.
Weight as a Quality Control Measure for Ammunition
Every defect that matters changes the weight of a round. That makes a tenth-of-a-grain scale the broadest single check a production line can run, and the one that pays for itself fastest.