Anyone know what the one on the back corner of the jeep is? French in Indochina. I think Darne made a belt fed variant with the belt somehow feeding into the breech at a 90 degree angle with the cartridge points facing the side of the receiver.
It looks like a Reibel to me. Reibel machine gun Magazine in the link above looks identical to the one in the picture Captured one being used by VietMinh forces. One being modelled for a French jeep in Indochina Reibel Mle1931 Version "Infantry" - Sixth Army Group