ACOG 4x32 Scopes with Green Dual Illumination & BACM16/AR15. Features Dual Illumination (Fiber Optic provides daylight illumination and tritium illuminates reticle at night). The reticle ranges out to 800 meters for 5.56 (.223 cal). Proofs Shock/Waterproof Weight 9.90 oz Reticle Illuminated Green Donut .223/5.56 BDC Objective 32mm Eye Relief 1.50" Field Of View 36.80 ft @ 100 yds Magnification 4x