The AR Optics 1-4x24mm riflescope features a versatile magnification range with Second Focal Plane (SFP) design and specialized Drop Zone-223 reticle optimized for .223 caliber shooting.AR Optics Riflescope Model AR714241x to 4x variable magnification range24mm objective lens diameterSecond Focal Plane (SFP) reticle systemDrop Zone-223 BDC reticle for .223/5.56 ammunition30mm tube diameter for reliable mountingDurable black finishNo battery required operationIdeal for tactical shooting hunting and sport shooting applications where quick target acquisition at close range and precision at extended distances are essential.