errors in listing there are a number of errors in this list the short pounder is an australian designed built pack gun it fired standard pounder ammunition was designed using the standard pounder which was being licenced built in australia at the time as a starting point but little else in common the m is actually a combined usa uk origon the weapon was designed in uk all the titanium parts are made there the barell is designed made in usa the finished weapon is assembled there britian does not at this point field this weapon two different imperial sized guns are listed with the same metric dimensions which can't be correct i believe the gun is correct but not the gun i don't believe any of the l pack howitzers are still in use the army reserve stopped using them some time in the 's the f mortar is a uk canada design australia announced in it was looking at replacing the current f motar therefore i would be very supprised if it only came into service in it was designed in the 's