US Patent 10451383 Alignment aid for a firearm

An alignment aid for a firearm includes a first sight having a base portion and a shroud portion. A fiber optic rod has a proximal end, a distal end, and an upper surface that extends between the proximal and distal ends. The fiber optic rod is disposed between the shroud portion and the base portion of the first sight. The shroud portion of the first sight surrounds the upper surface of the fiber optic rod from the proximal end to the distal end of the fiber optic rod and includes a plurality of apertures through the shroud portion of the first sight between the proximal and distal ends of the fiber optic rod.