Reliable back-up iron sights that mount perfectly on the AR-10(T) and AR-10A4 models. Featuring ArmaLite's recoil-stopping cross-lug to prevent receiver damage due to lock-screw movement. With field sights, .70/.195 aperture. Rear Sight: 1/2" Elevation and 1/2" Windage 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
