When you need to adjust the trigger pull or function test a rifle, reach for precision machined snap caps from A-Zoom. They will allow you to release the firing pin without fear of damage. They are also ideal for practicing offhand dry firing and smooth cycling. Made of aluminum, these snap caps will last for years. The Blue color makes them stand out and differentiate them from live ammo.Specifications:Snap Caps12 GaugeAluminumBluePack of 5 snap caps