Traditions Pistol Snap Caps 9mm 5 Per Package. When you safely store your unloaded gun put a snap cap in the chamber and fire your gun to allow the firing pin to lay at rest. This will help prevent firing pins from breaking in the future. Snap Caps are also a great tool to practice dry firing your guns to teach safe gun handling improve your shooting skills and tune your trigger. 9mm 5 per package. Specifications for Traditions Pistol Snap Caps 9mm: Manufacturer: Traditions Caliber: 9mm Luger Fabric/Material: Plastic w/Brass Base Quantity: 5 Gun Type: Handgun Package Contents: Traditions Pistol Snap Caps 9mm The Traditions Pistol Snap Caps 9mm is a quality addition to the Traditions lineup. For more great deals on Snap Caps by Traditions please browse our Traditions Shooting Accessories page. Traditions ASM9: Pistol Snap Caps 9mm 5 Per Package