A case of Russian .50 cal API (Armor Piercing Incendiary) belted for machine gun use; part of a weapons cache found in a sports arena US Marines secured and setup a camp
VPC - Sitting Ducks - Section One
30-06 Springfield M14 A1 Armor Piercing Incendiary | Flickr
Armor piercing ammo hi-res stock photography and images - Alamy
12,7x99 mm API (M8) Armor Piercing Incendiary Ammunition by Fiocchi Munizioni | armscom.net