A-Zoom 12211 12 Gauge Snap Caps are engineered for safety training and function testing in shotguns. These snap caps are precision CNC machined from solid aluminum and hard anodized for enhanced durability and smooth operation. With precise cartridge dimensions, they ensure reliable performance in various training scenarios.Key FeaturesPrecision CNC Machined: Ensures exact cartridge dimensions for reliable function and training.Durable Construction: Hard anodized aluminum provides long life and smooth operation during use.Safe Decocking: Allows for safe decocking of the firearm without risking damage to the firing pin.2-Pack Quantity: Comes with two snap caps, making it convenient for multiple training sessions.