Trijicon ACOG 4x32 Scope Dual Illuminated Red Crosshair .223 Ballistic Reticle 3.25 MOA RMR Sight Black

Advanced Combat Optical Gunsights. Fiber Optic provides daylight illumination and tritium illuminates reticle at night. Internally-adjustable, compact telescopic sights with tritium illuminated reticle patterns for use in low light or at night. Dry nitrogen filled with true aerospace pneumatic seal designed for unsurpassed waterproofing.