Abstract: A revolver-lock device including a positive means, for locking of the bullet cylinder, a lock-housing for containing lock mechanism components, an extension rod, an inner permanent magnet, an extension spring, a multiple number of balls or similar members, a housing sealing disc, an external magnet key with slot, means for preventing retraction of the locking expansion balls from the cylinder walls, for preventing insertion of bullets into the cylinder holes, and for preventing the cylinder from rotating, and thus operation of the trigger, hammer and firing pin, means for restricting the bullet firing caps to be off-line with the firing pin, means for preventing the revolver cylinder from being opened for loading, a method for high volume, low cost production due to simplicity of design, a quick activating/deactivating means for fast use of the revolver, a compact size and shape which allows easy casing of the revolver, a parts interchanging feature for similar revolvers of the same caliber and for different