Prior to WW II only a few target shotshells were packed in one piece boxes. Shotshells have been packed in 3, 5, 10, 20, 25, 50, and round boxes. Vintage shot shell boxs Shotshell Boxes Nomenclature of shotshell boxes is simple and widely agreed upon. IAA does not guarantee if or when you will receive a reply. The shells were most likely made by Federal Cartridge Company. The production of ten round boxes for civilian use was very limited by other manufacturers until Vintage shot shell boxs 's when they were used with Turkey Loads, Bismuth, etc. SB Remington Shur Shot 12ga.