Vortex Optics, Defender Flip Cap, Objective Lens Size 40, 45-48mm

DEFENDER™ FLIP CAP OBJECTIVE 40

New for 2017. 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: 45.5-48.5 mm | 1.8-1.9 inches