Vortex Defender Flip Cap Objective 50 ff-334-95-fixed-price The ARF4 allows the Fastfire

The ARF4 allows the Fastfire to mount at the optimum height so the red dot can co-witness with flip-up sights

Extremely wide field of view

padded shoulder strap

debris and preventing scratches

Vortex Defender Flip Cap Objective 50 ff-334-95-fixed-price The ARF4 allows the FastfireThis 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.