Patent ID: 7765730
Filing Date: 2010-08-03
Classification: F41G

Abstract:
1. A back-up sight for use on a rifle or carbine configured with an optical sight or a standard issue set of sights aligned on a first sight axis substantially parallel with a central axis of the carbine's barrel, comprising: (a) a handguard or support affixed to the rifle and having an exterior surface defining at least a first attachment point; (b) a back-up sight configured to be releasably mounted on said handguard or support and aligned along a second sight axis parallel with the central axis of the rifle's barrel, said back-up sight including a front sight configured to be releasably mounted distally on said handguard and a rear sight configured to be releasably mounted proximally from said front sight on said handguard and spaced from said front sight on said second sight axis; and (c) wherein said second sight axis is radially offset to one side of said first sight axis such that by rotating the rifle to a selected rotation angle of less than ninety degrees about the axis of the barrel, a user may look down the second sighting axis, while aiming the rifle at a target.