Patent 7591098 was granted and assigned to SureFire on September, 2009 by the United States Patent and Trademark Office.
An accessory device for being mounted to a longitudinal rail carried by a firearm and accommodating longitudinal rails of different configurations. A preferred embodiment comprises a light beam generator including a housing, elongate members removably secured to the housing and complementing the rail for enabling the housing to be retainably slid along the rail, a transverse rail latching device removably secured to the housing, and a replaceable ambidextrous tail cap switch.