Not sure if that compares if you mean the use in the ad. "08/15" (often "null acht fuffzehn" rather than "fünfzehn") is a widely used colloquialism in the same

Not sure if that compares if you mean the use in the ad. "08/15" (often "null acht fuffzehn" rather than "fünfzehn") is a widely used colloquialism in the same way as "standard issue" in English and most people have no idea of its origins. Wikipedia suggests it is very likely tied to that specific machine gun but the exact reasons seem to be lost to time.