You don't want to get me started on the M119 POS. In order to travel long distances by road the tube has to be traversed over the trails. In order to do this you have to take a road wheel off, not the most convient way to march order the weapon in some situations. The switch to the American tube was neccassary to fire the millions and million of US 105 ammo, if me memory serves the the L118 used a a lighten version of the abbott SP tube that shoots seperate loading ammo vice the standard semi-fixed ammo if the US. Kind of like the reason the M1 was in 30-06, MacArthur as COS of the Army didn't want to waste the millions of rounds of 30-06 in storage so we didn't convert to adopt a more advanced 7mm round. The planning data you used for ranges are out of date however. Using standard M1 HE you get the 11,500s you cite. With and M760 HE your range is 14 KM, the M913 HE-RAP gives 19.5 KM and for M915 DPICM you get 14 KM. Not as good in some cases as the English tube but adequete for the range of ops for the light forces that use the weapon
------------------
God truly fights on the side with the best artillery
------------------
God truly fights on the side with the best artillery