This rail mounts to the side of the receiver in the predrilled and tapped hole and to the stripper clip guide dovetail. You must remove the stripper clip guide in order to install this. You can use the iron sights under the rail; however, your view will be limited. You will need some punches and a little knowledge to install this mount.
Specifications and Features:
Mounts onto the side of a M1A/M14 receiver into the scope mount hole Also mounts into the stripper clip guide dovetail Must remove stripper clip guide Provides an Optics Rail above the action for mounting a scope Length: 6.3" Weight: 8.8 oz