( SCOPE DETAILS ) Material: Aluminum, Color: Matte black, Magnification: 4x, Series: Compact Optics, Effective Objective Diameter: 32mm, Adjustment Graduation: 1/4" MOA, Reticle: Range estimating reticle, Objective Diameter: 32mm, Rifle Exit Pupil: 8mm, Eye Relief: 3", Length: 7.75 in, Maximum Field of VIew (feet at 100 yds.): 36.6, With a 4x magnification in this scope, you can clearly view the object from a long distance and shoot accurately, Multi coated lenses reduces light reflections, enabling better light transmission for good visibility, The exterior black matte finish on this compact rifle scope offers a smooth and stylish look, Includes a set of matching matte black color Aluminum scope rings mounts - ( MOUNT DETAILS ) Includes two sets of aluminum scope rings mounts with mounting hardware, This allows for mounting on various versions of the Henry .22 US Survival rifle, One scope ring set fits Picatinny type mounting rails, The other set fits 3/8" dovetail type grooves. Simple bolt-on installation