The M548 ammunition can is a steel storage container designed for 20 mm rounds and similar ordnance. It features a removable lid secured with latches and a rubber gasket to keep out moisture. Carrying handles are provided on the sides for transport.

• Material: Welded steel with protective coating
• Dimensions: Approx. 17 x 14 x 7 inches
• Lid: Removable gasket sealed
• Typical contents: 20 mm linked ammunition

The M548 can was developed for use with larger caliber weapons during the Cold War and continues to see use for heavy ordnance storage.