Feature A Quick Ranging and Holdover: Etched BDC Reticle Provides Reference Points Specifically Calibrated for .223/5.56 Ammunition A Tough and Precise: Rubber-Armored Body Ensures Durability, While 1/2 MOA Click Value Offers Accurate Adjustments A Red-Dot Ready: Top Mount Supports TEK, MOJ, and MGT Footprints With a Detachable Plate Featuring a Built-In Front Iron Sight A Any-Light Visibility: 5-Level Red and Green Illumination Adapts to Various Lighting and Eye Conditions A Compact and Lightweight: At Only 136mm / 5.35in, This Prism Scope Is Ideal for Airsoft Rifles, PCCs, and Compact AR Builds Specification OPSL40 Victoptics C1 4x32 Prism Scope Magnification: 4x Objective Lens Dia: 32 mm Eye Relief: 55 mm / 2.17 in Lens Coating: Fully Multi-coated Linear Field of View @ 100 yd: 39 ft @100 yards Linear Field of View @ 100 m: 13 m @100 meters Angular Field of View: 7.45Adeg Reticle: Etched Glass Parallax Setting: 50 yards Click Value: 1/2 MOA Elevation Adjustment Range: 90 MOA Windage Adjustment Range: 90 MOA Diopter Compensation: -2 to +2 Illumination Setting: Red and Green, Each 5 Gears Battery Type (Not Include): CR2032 Waterproof: IPX4 Fogproof: Nitrogen Filled Shockproof: 750 G Housing Material: 6061-T6 Aluminum Alloy Finish: Matte Black Length: 136 mm / 5.35 in Weight: 386 g / 13.62 oz Mounting: Picatinny Rail Items in the Package: Plastic Adjustment Wrench, Hex Keys and Cleaning Cloth, etc. Size Reticle Download Victoptics C1 4x32 Prism Scope Manual