Yankee Hill Machine Co Rear Flip Sight

The Yankee Hill Machine Co® Rear Flip Sight is a lightweight flip up rear sight and is designed to co-witness with standard M16-M4 front sights and any Yankee Hill Machine Co front sight. This rear sight offers 1/2 MOA and comes standard with a rear peep aperture and aluminum stem. It features a rugged steel base with a quick release thumb screw and locks into the deployed position with ease. Compatible with Picatinny rails. Made in USA.