SMT Now Offers Tactical Flip Up Front / Rear Metal Sights Set!
FS1 is solid , low-profile, durable, auxiliary flip up sight set.
* The FS1 ensures more accurate aiming and faster target acquisition
* Low folded profile is smooth and inconspicuous.
* Can be used as a primary or back-up sight
* Std M4 sight height
* Easy to install and operate, no gunsmithing is needed.
* Made of aviation grade aluminum.
* Color: Black
* Fits on any 1913 Picatinny rail.