OK, i was wondering does the soldiers Abilities that upgrade grenades(such as damage, cooldown and radius) applies to under barrel nade launchers and the EZ-nade launcher? im sort of confused as to if it actually does or not. I find the description of a lot of abilities to be rather lacking.

Upgrades don't apply to regular grenade launchers, but they apply to frags, which the underbarrel launcher uses.

So no boost for the Lobster and EZNade, but the underbarrel GL gets improved. Still costs pips and has to wait for cooldowns though.

Awesome, thanks for the info!