A-Zoom .223 Rem Snap Caps are dummy rounds designed for safety training and function testing. These snap caps are precision CNC machined from solid aluminum, ensuring they meet exact cartridge dimensions. The hard anodized blue finish provides ultra-smooth functioning and enhances durability.Key FeaturesPrecision CNC Machined: Ensures exact cartridge dimensions for reliable use.Hard Anodized Finish: Provides durability and smooth functioning for extended use.Safe for Firing Pin: Allows safe decocking without damage to the firing mechanism.10-Pack Quantity: Conveniently packaged for multiple training sessions.