Crosman Targetfinder 4 Powered Air Rifle Scope Black. Easily mounts on all current Crosman air rifles with 3/8"e; dovetail grooved receiver. Not recommended for Spring Air Rifles.Magnification 4xEye Relief 85Objective 15 mmBattery Included YesTube Size 19 mmTurret Clicks 0Exit Pupil 5.62Turret Caps YesFocal Plane 2ndField of View 6.2Turret Adjustments ToolReticle Material MetalReticle Type DuplexWindage 100Parallax 25 yardsRings included? Dovetail Specifications for Crosman Targetfinder 4 Powered Air Rifle Scope: Manufacturer: Crosman Color: Black Quantity: 1 Tube Diameter: 0.75 in Additional Features: 4x mag Features of Crosman Targetfinder 4 Powered Air Rifle Scope MAGNIFICATION 4x EYE RELIEF 85 OBJECTIVE 15 mm BATTERY INCLUDED Yes TUBE SIZE 19 mm TURRET CLICKS 0 EXIT PUPIL 5.62 TURRET CAPS Yes FOCAL PLANE 2nd FIELD OF VIEW 6.2 TURRET ADJUSTMENTS Tool RETICLE MATERIAL Metal RETICLE TYPE Duplex WINDAGE 100 PARALLAX 25 yards RINGS INCLUDED? Dovetail Package Contents: Crosman Targetfinder 4 Powered Air Rifle Scope Crosman 0410: Targetfinder 4 Powered Air Rifle Scope Black