Always know how many rounds exactly are left at a glance. The innovative & exclusive Counting magazine has a color-coded & numeric indicator on the rear & bottom of the magazine, showing the exact number of left rounds. The numbers appears on three different back-rounds, according to the left rounds in the magazine 30-21 green, 20-11yellow, 10-0 red. The rear indicator is colored & numeric indicate the exact left rounds. Allows the exact information without losing eye contact from target or loosing the body position. The bottom indicator is colored & has a numeric additional spare indication. Allows the information, so you know what magazine to use next from the vest pouch.