Athena Back up sight comes could be flip up for high profile aiming (Long Distance) or flip down for low profile aiming (short Distance). These pair of sights could be mounted on Mil-std 1913 picatinny rail. It comes with high grade fiber Optic at the front sight assist you in aiming your target in all condition. 

*** It Comes with a pair of Flip Up sights. ***

Flip Up for Rifle Sight /  Flip Down for Pistol Sight

Slim Design, No Blocking when mounting Optics or Scope on the same rail

Made of Plastic 

MIL-STD 1913 rail compatible