Check the listing for details. A-Zoom Precision Pistol Snap Caps 40 S&W. Color: Red, Condition: New. Listed at 14.95 USD. A-Zoom Snap Caps .40 S&W Aluminum 5 Pack A-Zoom Snap Caps are a fantastic way to get firearm failure drills in a safe environment. These caps allow for manipulation of your firearm to practice clearing jams, ejection issue, and countless other life saving drills. These are an invaluable training tool to help you become more efficient and enforce safe handling. A-Zoom Practice Ammo Rounds are much more than conventional snap-caps. A-Zoom metal snap-caps are precision CNC machined from solid aluminum to exact size, then hard anodized. This hard anodized surface provides for ultra-smooth functioning and long cycling life. The highly durable dry fire "Dead Cap" can take over three thousand dry fires while protecting the firing pin. These precision snap caps are similar in weight to standard ammunition, ideal for realistic function testing. These are especially useful for releasing the tension on the mainspring for long-term storage of your firearm. Specifications and Features: Tough Solid Aluminum Construction Ideal for Training, Storage Function Testing, Cowboy Action Teach or Learn Safe Gun Handling Dry Fire Thousands of Times without Damage Handles just like Real Ammo