Hot Shot Accu-Peep Black 3/16 in.

Hot Shot Accu-Peep Black 3/16 in.
Traditional concave peep sight;Uses a convex entrance pupil that's large in size;Based upon the proven design of how a binocular or scope bell gathers more light;Emphasizes better aiming in low shooting light situation;Aluminum construction, lightweight, ultra-durable;Available in sizes: 1/4in., 1/8in., 3/16in.