Patent ID: 9322614
Filing Date: 2016-04-26
CPC Classification: F41G

Claim Text:
1. A front firearm iron sight, comprising: a housing defining a front iron sight with an aperture through the housing, the aperture at least 0.20 inches long between a leading end of the aperture and a trailing end of the aperture; the aperture structured to provide an open unobstructed cross sectional area of field of view, along a straight sightline therethrough, from leading end to trailing end, for providing an unobstructed view of a target therethrough; and at least 15% of the top portion of the housing between the leading end and the trailing end of the aperture being open to provide passage of ambient light for illumination to the aperture; wherein the leading end of the housing presenting, along the sightline, approximately straight exterior side wall portions and an approximately straight top flat portion and the cross sectional area of field of view along the straight sightline through the aperture not decreasing from the leading end to the trailing end; and wherein the trailing end of the aperture having at least a 10% greater diameter than the leading end of the aperture.