Aimtech ARM-1 See Thru Scope Mount AR-15/M16

The Second Sight series of Aimtech mounting systems for modern rifles is characteristic of Aimtech design work; simple, functional flawless in execution....,. These no-nonsense, no-frill mounts are made of a solid bar of heat treated aluminum which has been precisely fitted to the specific rifle and is through drilled down its length with a .375 (3/8") hole which lines up with the rifles existing iron sights. When the target is too close or is moving too fast, you want SECOND SIGHT!