Magpul Ar-15 Mbus Gen 2 Tactical Rear Sight - Ar-15 Flip-Up Mbus Gen 2 Tactical Rear Sight O.D. G

Low-profile, flattop-mounted, polymer sights deploy instantly at the touch of a finger to provide backup sighting if a primary optic fails. Streamlined contours mean there's nothing to snag on brush, sling, or other gear when folded. Spring-loaded...

Brownells