Cartridge Comparison Guide Family of Cartridges - Cartridge Poster Displays 6 main cartridges that some of the more popular and influential hunting cartridges (at 200% scale) Displays 4 to 5 popular hunting cartridges built from the same parent case as one of the main 6 (at 100% scale) A game animal is displayed that each cartridge covers from fox to elephant The poster shows that a parent case is necked up to fire a larger/heavier bullet or necked down to fire a smaller/lighter bullet. Illustrates how cartridges can be broken down into parent case groupings