Trijicon ACOG TA01-D-100318 4x 32 Tritium Only, Center Illuminated Amber Crosshair .223 Reticle Scope, OD Green Magnification: 4x Objective Size: 32mm Bullet drop compensator 4x magnification with a 32mm objective lens Centre Illuminated Amber Crosshair Bullet Drop Compensator reticle for up to 600 meters OD Green finish Forged aluminum housing