An aim assistance light beam is provided for a firearm having a barrel and a movable fore-end assembly for loading shells and actuating a firearm action. A lamp and reflector throws that light beam upon electric energization of a lamp in the lamp and reflector assembly. A battery housing for mounting...http://www.google.ca/patents/US4856218?utm_source=gb-gplus-sharePatent US4856218 - Light beam assisted aiming of firearms
