A-Zoom Snap Caps .40 S&W

A‐Zoom Snap Caps .40 S&W 5pck NOT REAL AMMUNITION EXCELLENT FOR: A snap cap 40S&W is a device which appears similar to a standard firearm cartridge but contains no primer and no projectile; it is used to ensure that dry firing firearms of certain designs does not cause damage. Snap caps contain a spring‐damped false primer which absorbs the force from the firing pin, allowing the user to safely test the function of the firearm without damaging the components of the firearm.,