A-ZOOM- 15113 - Snap-Caps 380 Auto Safety Rounds A-Zoom Metal Snap Caps Protect your weapon from spring fatigue and damage to your firing pins from dry firing, snap cap allows you to release your firing pin without damaging your gun. Practice sight control, trigger squeeze and check the weapons cycling also, stock up and get all the calibers you need. Precision CNC machined exact spec size of the ammo for your gun. For .380 Auto, Package of Six.