Easy-to-use internal safety device protects against unauthorized use of firearm and accidental discharge. Inserts into chamber like a live round or snap cap. When you squeeze the trigger, the impact of the firing pin on the SafeShell causes a spring-loaded extension to project into the barrel, preventing the slide of a semi-auto from racking or the cylinder of a revolver from turning. Insert the reset tool into the muzzle to retract the extension, then cycle the action to eject the SafeShell. May be left in the chamber unactivated; when you need the gun, simply rack the slide or advance the cylinder to clear the SafeShell, so the weapon may be operated normally. An attempt by an unauthori Mfg: Safeshell, Inc. SPECS: Aluminum, anodized, bright blue and yellow finish. Available in .40 S&W, and .38/.357.