ACOG® 3.5x35 scope with Red Chevron BAC Reticle- The ranging reticle is calibrated for 5.56.223 cal flat-top rifles to 800 meters. The chevron reticle is designed to be zeroed using the tip at 100 meters. The width of the chevron at the base is 5.53 MOA which is at 19 at 300 meters. This allows range estimation for silhouette targets. The TA11F also includes: 1 Flattop Adapter for Military Style Rail TA51 1 3.5x35 Scopecoat TA63 1.