Trijicon ACOG 3.5x 35mm Rifle Scope - Red Chevron .308 - ACOG 3.5x35 scope with Red Chevron BAC Reticle- The ranging reticle is calibrated for 7.62 (.308 cal) flat-top rifles to 800 meters. 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 at 19in at 300 meters. This allows range estimation for silhouette targets. Superior quality glass lenses Combat proven Fixed magnification Rugged aluminum alloy housing Both eyes open design