Aimtech 1-Piece Scope Base, AR-15 Carry Handle, Black | ARM1

Aimtech's AR-15 Second See-Through Mount is for modern rifles. These no-nonsense, no-frill mounts are made of a solid bar of heat treated aluminum and has been precisely fitted to the specific rifle. It is drilled down its length with a .375 (3/8") hole which lines up with the rifles existing iron sights.This model does not have an extended length.