• Replaced the M2 Ammo Box
• 1945 – Present
• Originally built for 100 rounds of .50 caliber cartridges
• post World War II
•  6-3/32” wide
• 7-1/2” tall
• 12-1/32” long

Now used for many calibers

• 50bmg = 100 qty (Linked)
• 9mm = 1,000qty
• .45acp = 1,000qty (cartons)
• 5.56x45mm = 400qty (2x 200rd drums)
• .30 cal (7.62x51mm) = 400 qty (cartons)

Early Lid, that tapers down  

Later lid is even all the length