Forum member FrankN last year obtained a small group of 5.56x45mm nickeled cases from IDAHO ORDNANCE FACTORY located in Dalton Gardens, Idaho. IOF purchases bulk 5.56x45mm cases from Lake City Army Ammunition Plant (LCAAP) and in one of the shipments IOF received from LCAAP was a batch of nickeled cases. The word was that these cases were left over from a corrosion test, possibly for the Navy.
Below are examples of the primed nickeled cases and the headstamp found on all the cases that Frank received from IOF:
So can anyone provide additional information about these plated cases from LCAAP?
Were they for a corrosion test or something else?
Any help would be most appreciated!