That it is reloadable is not an advantage. The tube itself is
too heavy as is the ammo. And after firing it you have to quickly
run as enemy will zero in on you. So the disposable option is
actually an advantage. After shooting, throw it away and run.
The last time I served (8 years ago), these were the weapons
available to the Battalion's Support Company:
84mm Recoiless Rifle
81mm mortar
7.62mm GPMG
I see your point about the 84mm being available as emergency
arty.
But the Support Company more or less moves on foot during combat.
Unless in static defence. So everything including the ammo is
man-packed. The rounds for the 84mm are fairly large (and looks
heavy) so I think maybe each 84mm team can carry 3 to 6 rounds per
gun?
So you would carry maybe 3 rounds HE and 3 rounds HEAT? I don't
know... But that's a little too few rounds to use the 84 as
arty.
Besides, I think that's what the 81mm mortars are for. It can also
reach people hiding in trenches, the 84 cannot.
If you are talking about busting strong points like bunkers then
the rifle section's 66mm LAW is good enough.
So I think that with the 90mm disposable LAW available at 2 per
section,
the 84mm is redundant. They should replace the 84mm with more
effective portable ATGWs.