Midwest Industries .750 Diameter Upper Height Railed Gas Block For AR-15 Type Rifles
This gas block features a 1913 spec picatinny rail which sits at the same height as the standard flat-top upper, allowing the use of a front flip up sight that is designed to be mounted on a rail, such as the MI MCTAR-FFR, or the Troy front flip up sight. Constructed from 4140 steel. For .750 barrels.
