Trijicon ACOG 5.5 X 50 Scope Dual Illuminated Chevron .223 Ballistic Reticle, Red ACOG 5.5x50 Red Chevron BAC Flattop.223 Reticle includes flat top adapter. 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 19 in. at 300 meters This allows range estimation for silhouette target Includes 1 Flattop Mount (TA51) 1 5.5x50 Scopecoat (TA65) 1 5.5x50 ACOG Pouch 1 Lenspen (LENSPEN) 1 Trijicon Logo Sticker (PR15) 1 Manual 1 Warranty Card With TA51 Mount. Calibration: 0.308