This is the last flip cap you will ever need! Virtually indestructible, this cap will fit snugly on nearly all Vortex Optics® and features a snap flat spring that will keep your line of sight unobstructed.
Outside diameter: 55-59 mm 2.2 - 2.3 inches

Outside Diameter (inches) 2.2 - 2.3 inches
Outside Diameter (mm) 55-59 mm