"Cub Driver"  wrote in message
...
 I've only seen one such designation, on a weapon - and it passed
 out of our on-base inventory sometime in the late 1970s:
 The U.S. Army "marks" just about everything, from the M-1 rifle on up.
I believe the current definition behind that "M" in the Army is "model", not
"mark".
Brooks
 all the best -- Dan Ford
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