Traditions introduces new Training cartridge. These cartridges: Meet ALL SAAMI specifications for dummy ammunition, precision assembled, weighted like real ammunition - it will cycle like an actual loaded cartridge, have durable brass cases and rims so they will not become damaged like plastic dummies, all rifle training cartridges come with a rubber insert to make it a snap cap, these cartridges are perfect for function testing, firearms instructors/students as teaching and training aids, new shooters who are learning to safely load and unload their firearms, malfunction drills, and dry-fire practice. Training cartridges are a necessity for both experienced and inexperienced shooters. This particular model comes in 20 gauge 3 inches. Package contains a quantity of 2 training cartridge.