Safely practice loading, unloading, and clearing your home-defense shotgun with the A-Zoom® 12 Gauge Snap Cap. Constructed of anodized aluminum with an inert Dead Cap primer, this snap cap allows you to safely drop the firing pin on the snap cap for dry-fire practice or to release spring tension when storing weapons for extended periods. is similar in weight to standard ammunition, making it ideal for realistic function testing, dry fire practice, tactical drills, and more. Includes 5 snap caps.