Vintage 1952 Korean War Era 20 mm Ammo Box M12 Metal 18"×15"x9 Bullet Shell. The item "Vintage 1952 Korean War Era 20 mm Ammo Box M12 Metal 18×15x9 Bullet Shell" is in sale since Tuesday, July 6, 2021. This item is in the category "Collectibles\Militaria\Surplus\Boxes & Chests". The seller is "microbi7746" and is located in Chapmanville, West Virginia. This item can be shipped to United States.