Vortex Defender Flip Cap Objective 56

BH #VOO56 • MFR #O-56
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Vortex Defender Flip Cap Objective 56
Key Features
  • For 61.98-65.79mm Objective Lenses
  • Spring-Loaded Hinge
  • Durable Construction
Keep the optics of your riflescope safe with the robust Defender Flip Cap Objective 56 from Vortex. Designed for lenses with an outside diameter of 61.98-65.79mm, this cap will fit a wide variety of scopes. Also, it has a spring-loaded hinge to flip up and out of the way.
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Vortex O-56 Overview

Keep the optics of your riflescope safe with the robust Defender Flip Cap Objective 56 from Vortex. Designed for lenses with an outside diameter of 61.98-65.79mm, this cap will fit a wide variety of scopes. Also, it has a spring-loaded hinge to flip up and out of the way.

Compatible Riflescopes
Razor HD Gen II: RZR-42704, RZR-42705, RZR-42706
UPC: 875874005907

Vortex O-56 Specs

Outside Diameter
2.44-2.59" / 61.98-65.79 mm
Packaging Info
Package Weight
0.15 lb
Box Dimensions (LxWxH)
5.7 x 3.7 x 1.6"

Vortex O-56 Reviews

Perfect fit for my scope

By James
Rated 5 out of 5
Date: 2026-07-06

Purchased to cover my 56mm scope. The price was not only competitive but actually less than expected. The cover fit nicely and at a reasonable price. Another WIN with B&H Photo!

Covers my Vortex Crossfire II

By Bryan
Rated 5 out of 5
Date: 2022-02-07

Works great on my Vortex Crossfire II Hog Hunter 3-12x56 scope. The rubber needed to stretch a little to fit over the 56mm objective end. It's a very tight fit. The cover snaps are very stout, if I'm not carful, I'll pull the whole cover off trying to open it. With that being said, it would be very difficult to accidentally open it.

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