Trijicon 100224 ACOG Black Hardcoat Anodized 4x32mm Illuminated Green Horseshoe 5.56 BDC Reticle

The ACOG is internallyadjustable compact telescopic sights with Tritiumilluminated reticle patterns for use in low light or at night. It combines traditional precise distance marksmanship with closein aiming speed. This model is designed for use with the M16 family every feature of its mechanical and optical design was chosen for a single purpose to provide increased hit potential in all lighting conditions without failure prone batteries.