.30 M1 Carbine/Rifle Cartridge Pocket (1950s) Tuesday April 19th, 2016 admin Ammunition Carrying Equipment, Post WWII 7,296 views Shown two circa 1956. Hold 2 .30 M1 carbine magazine or M1 Garland rifle clip. Stock Number Reference: Pocket, Ammunition/Magazine (Cal .30 M-1, Carbine Or Rifle) FSN: 8465-261-6922 Assign Date: Unknown pouchpost_wwiiammo_carrierog107