This Vortex Defender Flip Cap Objective 50 features a snap flat spring and won't obstruct your line of sight. Virtually indestructible, the Defender Flip Cap is the last flip cap you will ever need. The flip cap has a spring-loaded hinge to flip up and out of your line of sight.
Rugged Design
The Vortex Objective 50 Defender Flip Cap is virtually indestructible, with a rugged design that ensures that it won't break on you when you're out on the range. With an outside diameter of 55-59 mm, this cap fits snugly on nearly all Vortex Optics and features a snap flat spring that will keep your line of sight unobstructed.
