A-Zoom 12311 12 Gauge Dummy Rounds are essential training tools for responsible gun owners and instructors. These dummy rounds allow for safe decocking and function testing without the risk of damaging the firing pin. A-Zoom's precision CNC machined design ensures they replicate the exact dimensions of real cartridges, providing a reliable training experience.Key FeaturesPrecision CNC Machined: Ensures exact cartridge dimensions for reliable functionality.Durable Construction: Made from solid aluminum and hard anodized for long-lasting use.Safe Decocking: Allows users to safely decock firearms without damaging internal components.5-Pack: Conveniently packaged for training sessions and practice.