The finest scope mount designed for the M16A1/A2 rifle. This mount features the A.R.M.S.®/SWAN ® Universal mounting platform, accepting NATO STANAG and Weaver type scopes and rings. It attaches via a unique self-locking thumbnut that fits snugly in the hole in the carry handle for continuous zero hold. The #02 carry handle mount features a wide angle TV shaped see-thru channel for use with iron sights.