The Barska AR-15 Carry Handle doubles as a rear sight system.
This 2-in-1 one detachable carry handle and rear sight fit on flat-top AR-type rifles. The integrated rear sight allows for windage and elevation adjustment. Two strong locking thumb nuts keep the handle secured in place whether carrying or firing.
Barska AR-15 Carry Handle Features and Specifications:
Finish: Matte Black
Fits: Picatinny/Weaver rails