The Viper PST (Precision Shooting Tactical) riflescope boasts features associated with top-tier riflescopes,Matching reticle and turret measurements allow accurate, fast dialing of shots. The one-piece 30mm tube, precision-machined from a single solid block of aircraft-grade 6061-T6 aluminum, offers ample windage and elevation adjustment. Born from an intimate understanding of riflescope design, forward-thinking engineering, the Viper PST series delivers the performance and features tactical shooters demand at an economical price. Magnification 1-4 x Objective Lens Diameter 24 mm Eye Relief 4.0 inches Field of View 98-27.5 feet/100 yards Tube Size 30 mm Turret Style Tactical CRS Zero Stop Adjustment Graduation 1/2 MOA Travel per Rotation 24 MOA Max Elevation Adjustment 220 MOA Max Windage Adjustment 220 MOA Parallax Setting 100 yards Length 9.7 inches Weight 16.2 ounces. Please serious offers only, no interest in any trades [email protected] Shipping is Free. Thanks Chris