The AR Optics 1-6X24mm Riflescope features a versatile magnification range with illuminated BTR-1 reticle and second focal plane (SFP) design for precision shooting applications.AR Optics 1-6X24mm Riflescope with BTR-1 Reticle1x to 6x magnification range for close to medium range targeting24mm objective lens with black anodized finish30mm tube diameter for reliable mountingIlluminated reticle for low-light conditions1/4 MOA click adjustments for precise zeroing3.60 inches eye relief for comfortable shootingLightweight at 16.5 ozIdeal for tactical applications hunting and competitive shooting where variable magnification and illuminated reticle capability are essential for accurate target engagement across varying distances and lighting conditions.