Black aluminum, with two eye disks, easily installed on a Winchester 1886 and Browning 1886 replicas. Two mounting screws included. Features 1/4 minute micrometer click adjustments for elevation and windage, quick release slide. Large 5/8" diameter knurled disk is drilled .040". Small 1/2" diameter knurled disk is drilled with a .092" aperture for large field of view and quick target acquisition. Made in the U.S.A. by Lyman, this sight is a favorite of target shooters. It may require drilling and tapping for mounting two 6-48 holes.
Shown with the 1/2" aperture installed. Additional apertures are available at extra cost.