For the M1 Garand Rifle, this is the improved version of the M7 grenade launcher that provided a longer spigot which could handle the Korean War era' ENERGA' rifle grenade (M28), effective against heavy armor like the T34 tank. It also fired the standard smoke, streamer, chemical projector, and high explosive rifle grenades from WW2. In use from 1952 through 1961. New.
