Osight C [green]This red dot uses the Trijicon RMR footprint standard. Osight C green is an open emitter pistol red dot designed for fast target acquisition and simple everyday use. It uses the Trijicon RMR footprint. which makes it compatible with many modern pistols and mounting plates built around this industry standard. Key features of Osight C green Wide field of view with coated lens The optic uses a multi coated lens designed to improve light transmission and