Nele VII wrote:
....
Or, if you want to believe in conspiracy theories, nobody is counting your
rounds nor the AK can be traced back to you if you whack someone by
accident... or purpose.
....

My ops sergeant once told me that in Vietnam his platoon
sergeant had kept an AK-47 for the express purpose of
shooting any of his own people who fell asleep while on
watch. Or at least he threatened to. Whether he actually
did was not clear.