Snap Caps have a variety of uses around the bench. It is generally accepted that one shouldnt drop the firing pin on an empty chamber - which is the primary reason to have Tipton 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 by Tipton are ideal. Whatever your needs, these Tipton Snap Caps are handy and inexpensive.