The BSA Sweet 243 AO is calibrated for the .243 55 gr 80gr and 100gr bullets. This scope features a long eye relief for comfortable viewing an adjustable objective as well as the preferred duplex reticle. The Sweet 243 comes standard with 2pc weaver rings and fully coated anti-reflective lenses. – Bullet Drop Compensating Turrets – Fully-coated emerald lenses – Adjustable Objective – All Aluminum one-piece main tube – Waterproof shockproof and fogproof – Includes 2 pc. weaver rings – Finish: Matte Black – Waterproof: Yes – Weight: 22.3 Ounce – Tube Diameter: 1 – Power Variability: Variable – Minimum Power: 3 – Maximum Power: 9 – Adjustment Click Value: 1/4 MOA – Adjustment Type: Click – Lens Coating: Fully Coated – Warranty: 1 Year Limited Warranty – Reticle Focal Plane Location: 2nd – Parallax Adjustment: 7.5 Yards-Infinity – Fog Proof: Yes – Shock Proof: Yes – Objective Lens Diameter: 40 Millimeter – Eye Relief: 3 Inches – Field of View @ 100 Yards Minimum Power: 34.2 Feet – Field of View @ 100 Yards Maximum Power: 11.5 Feet – Maximum Windage Adjustment: 35 MOA – Maximum Elevation Adjustment: 35 MOA