• Di-Optic Apertures improve sight acquisition speed, increases accuracy out to 550m • Aircraft aluminum 6061 & stainless steel • Hardened T6 aircraft aluminum construction w/ stainless steel components • Fits all M4, M16, AR15, AR10 variants and other firearms that have a flat top receiver or removable carry handle • A permanent rail mounted alternative to a standard A2 rear sight or carry handle
