It is generally accepted that once should not drop the firing pin on an empty chamber, which is the primary reason to have Snap Caps for your favorite guns. You should always use Snap Caps when checking or adjusting the trigger pull. If you prefer to release the tension on the hammer springs, when storing your guns, Snap Caps are ideal. SPECS: .380 ACP, 5 Pack VERSATILITY: Tipton Snap Caps are useful in a variety of applications, from safely adjusting trigger pull to releasing tension on hammer springs for storage DESIGN: With a false primer that is spring buffered, Tipton Snap Caps reduce stress on the firing pin and barrel breech when dry firing, not compatible with 1911's CONVENIENT: Snap Caps are reusable, making them an affordable option for dry fire training and practicing safe firearm handling VARIETY: Explore the entire Tipton Snap Cap line for pistols, rifles, and shotguns UPC 757183539512 661120373773 ASIN B0048KIRVM Brand Name Tipton Unit Count 5.0 Count Manufacturer Tipton Item Type Name Pistol Snap Cap Included Components Snap Caps Warranty Description Limited lifetime warranty Global Trade Identification Number 00661120373773