Iver Johnson U.S. Military M1 M1A1 M2 Carbine Milled Rear Sight
This is a milled, middle issue rear sight. It is patterned after the original middle issue G.I. sight. Wire EDM cut from 4140 bar stock. It fits the following models: IVER JOHNSON CARBINE U.S. MILITARY M1 CARBINE, M1A1, M2 CARBINE UNIVERSAL CARBINE