At the moment, the game shows the exact number of magazines for the weapon on the screen, and the number of rounds in the magazine is shown by a color scheme in the inventory and a scale on the main screen.
Add display of cartridges in each store according to the scheme "15/30 - 14/30" or "15-14" with output to the main screen and inventory. For greater flexibility, this meter can be made customizable (on / off).