These are small aerial-dispensed, impact-fired grenades. The grenades consist of three major components: the RAD, the fuze, and the grenade body. The M75 is a practice grenade containing a live fuze with a flash/smoke charge. The M75 practice grenade is carried in the M267 2.75in rocket practice warhead. The M75 grenade is dark blue with a brown band. The M73 is the HEDP grenade containing a shape charge, There are 9 grenades carried in the M261 2.75in rocket warhead. The M73's are painted OD green with a yellow band.