The ammo propellent? Yeah, it is. Out the top and bottom of the compartment.
Pops was involved with legislative liaison back in the late 70’s early 80’s when this and the Bradley were being developed. I remember all the BS WaPo and other outlets stories on them. He’d driven them with congresscritters in TX, and he commented to me one morning “if the Russians believe all that crap and they come through the Fulda Gap, they are going to be in for a big f****** surprise...”