Rothco’s Used Military Ammo Cans Come In Varied USED Conditions And Are Available in .30 Caliber and .50 Caliber Sizes. These Ammo Cans Are Ideal For Portable Storage From Ammo To Essential Survival Supplies, These Rugged Steel Boxes Are A Classic Piece Of Military Surplus. 30 (9095) 10 1/4″ X 6 1/2″ X 3 1/2″ , .50 (9102) 11″ X 7″ X 5 1/2″