Defender Flip Cap, Objective 50

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 Weight 1.3 oz Outside Diameter (inches) 2.2 – 2.3 inches Outside Diameter (mm) 55 – 59 mm