Nikon M-223 1-4x20mm Riflescope, Matte Point Blank Reticle w/Interchangeable Turret The m-223 is Now Compatible with spot on custom turrets -- a practical way for Shooters to compensate for bullet drop and make accurate long-range shots Point blank reticle Ultra Clear Coat optical system Precise, 1/2-inch at 100 yards reticle adjustments 4-Time zoom and 4 inch of constant Eye relief