Tacfire AR-15 45 Same Plane/Low Profile Pop Up Sights - Black Polymer SPECIFICATIONS BRAND: TACFIRE CA PROP 65: YES GUN SIGHT FRONT CONFIG: BLACK GUN SIGHT REAR CONFIG: BLACK GUN SIGHT TYPE: IRON SIGHT GUN SIGHT WEAPON FIT: AR-15 & COMPATIBLE DESCRIPTION Same plane iron sights are constructed of polymer for durability. The front sight has an adjustable A2 post and a ball bearing pivot detent with posi-lock design that automatically locks into place to guarantee zero when raised . The rear sight is adjustable for windage and has two apertures. Great for short and long distance shooting.