Patent ID: 9217627
Filing Date: 2015-12-22
Classification: F42B

Abstract:
1. A practice ammunition cartridge comprising a hollow projectile and a cartridge case with a propellant charge, the projectile having a hollow projectile head designed to withstand the forces applied when the projectile is fired from a weapon and designed to burst when the projectile strikes a target; wherein a liquid marking agent is disposed in the head for marking the impact with the target after the head has burst; wherein said marking agent includes a plurality of liquid chemical components each received in a separate frangible compartment in the head, said components being mixed with each other when the compartments break up, causing the mixed components to react chemically; wherein the compartments are designed to be broken up by impact or rapid de-acceleration; and wherein the compartments comprise numerous individual small frangible ampoules that are formed as bubbles in a sheet of plastic material arranged adjacent and parallel to an inner wall of the projectile head.