Acid Tactical Rifle Back up Iron Sights with Picatinny Base BUIS 2 Piece Front and Rear Duel Aperture

Spring loaded Folding Front & Rear metal sights Adjustible elevation / windage (4 prong adjustment tool required / NOT included) Annodized Aluminum finish in Matte Black Dual rear flip up aperture. Standard Picatinny or Weaver Base.