Trijicon ACOG 4 X 32 Scope Dark Earth Brown Center Illumination Crosshair.223 Ballistic Reticle, Amber Ultimate sight for both close quarter battle (CQB) situations and longer distance shooting This dual-sighting system gives the shooter a distinct tactical advantage With the quick target acquisition of the trijicon ruggedized miniature reflex 3.25 MOA No tools needed for windage and elevation adjustments With 3.25 MOA ruggedized miniature reflex sight, backup iron sights