AR-15 M16 M4 Tactical Rear Flip-up Sight Complete with Dual Aperture

Flip-up tactical rear sight includes dual aiming aperture

Dual aiming apertures for all shooting applications; precise windage adjustments

Unique Posi-lock feature prevents tipping; user-friendly locking thumbnut for easy installation

Aluminum construction; accepts both Picatinny and Weaver mounts; 3.4-ounce weight; measures two by 1.9 by 1.3 inches (W x H x D)

Includes limited lifetime manufacturer's warranty