Armalite Detachable Rear Sight Carry Handle Assembly EA5050

E20149 Forged and machined for high quality, these reliable back up iron sights mount perfectly on the flattop 15A4(T) and M-15A4 models. Featuring Armalites recoil stopping cross lug to prevent receiver damage due to lock screw movement. Fits all rifles with Mil-Std upper receivers, comes with battle sights. EA5050 Reliable back up iron sights that mount perfectly on the 10(T) and 10A4 models. Featuring Armalites recoil stopping cross lug to prevent receiver damage due to lock screw movement. With field sights, .70/.195 aperture. EA5045 Allows the use of iron rear sight, but is removable to allow the use of telescopic sights without obstruction to the sight line.