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SKU#O-40 Vortex
SaleIn Stock

Vortex Defender 40mm Objective Flip Up Cap

25 in stock
Price shown excludes VAT. The applicable VAT rate for your delivery country will be calculated and added at checkout.
  • Virtually Indestructible: Made from rugged, impact resistant polymer to survive the harshest field conditions.
  • Locks Flat: High tension spring loaded hinge snaps open and locks flat against the scope body for an unobstructed view.
  • Three Stop Eyepiece: Eyepiece model (E-10) features three open positions (vertical, 45°, and flat) to easily read custom dope charts.
  • Weatherproof Fit: Flexible, rubberized collar stretches easily for a secure, slip, free, and dustproof seal.
  • Broad Compatibility: Designed to fit Vortex scopes as well as matching outside diameters on other premium optics.
  • Comprehensive Sizing: Available to fit a wide range of scope measurements: Eyepiece (E-10): 40–46 mm 24mm Obj (O-24): 28.25–31.25 mm 32mm Obj (O-32): 38–41 mm 40mm Obj (O-40): 45.5–48.5 mm 44mm Obj (O-44): 48–53 mm 50mm Obj (O-50): 55–59 mm 56mm Obj (O-56): 62–66 mm
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images/assets/pdp-refresh/delivery-clock.svg We aim to dispatch in-stock items to our Ireland-based Logistics Warehouse for EU dispatch within 1-3 working days. images/assets/pdp-refresh/UK-retailer.svg Authorised UK Retailer
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NO IMPORT FEES
14 DAY FREE RETURNS
EXPERT SUPPORT
OPW REWARD POINTS
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Product Information FIND OUT MORE
DESCRIPTION

Vortex Defender 40mm Objective Flip-Up Cap

The Vortex Defender 40mm Flip-up Cap (Objective) is the last flip cap you will ever need!

The Vortex Defender 40mm Objective Flip-Up is virtually indestructible, this cap will fit snugly on nearly all Vortex Optics® and other rifle scopes which the correct outside diameter measurements such as Schmidt & Bender PM II scopes, Nightforces to name but a couple.

The Vortex Defender Flip-Up features a snap flat spring that will keep your line of sight unobstructed.

SPECS

Vortex Defender 40mm Objective Flip-Up Cap Specifications

  • Objective 40 : - Outside diameter: 45.5-48.5 mm | 1.8-1.9 inches
FEATURES

Vortex Defender 40mm Objective Flip Up Cap Features

  • Objective 40 : - Outside diameter: 45.5-48.5 mm | 1.8-1.9 inches
WHAT'S IN THE BOX
  • Vortex Defender 40mm Objective Flip-Up Cap

FREQUENTLY ASKED QUESTION(S)

1. What does the Defender 40mm flip cap do

It protects your 40mm objective lens from dirt, debris, moisture, and impact when not in use

2. What size scopes is it compatible with

It is designed to fit scopes with a 40mm objective lens diameter, but for best results check the outside diameter of your scope’s objective housing

3. How do you install it

It installs by pressing the cap onto the objective bell where it fits securely via a friction‑fit design

4. Is it easy to open while shooting

Yes, the spring‑loaded hinge allows quick, one‑handed flip‑up access to your lens when you’re ready to shoot

5. Will it stay closed during transport

Yes, it snaps securely closed, preventing it from opening unintentionally during movement

6. Does it interfere with my view when open

No, once flipped up it stays low and out of the way, preserving a clear sight picture

7. Will it protect against weather elements

Yes, it helps shield the lens from moisture and environmental elements like rain and dust

8. Is it durable

Yes, it’s made from rugged materials designed to withstand outdoor use and rough handling

9. Can it fit non‑Vortex scopes

It can fit other optic brands with similar 40mm objective housing internal diameters, but checking measurements is recommended

10. What warranty does it come with

It is covered by the Vortex VIP Lifetime Warranty, which is unlimited, unconditional, and transferable

WARRANTY
  • Vortex VIP Lifetime Warranty
DELIVERY & RETURNS
Shipping to Europe

Delivery costs & estimated arrival

Find your country below for the delivery charge and how long your order should take to reach you. All orders ship with FedEx. Estimates are in working days and exclude weekends and public holidays.

Country Up to 2kg 2kg – 30kg Estimated delivery
Order under €350 Order €350 & over Order under €350 Order €350 & over
Austria€11.95€26.95€26.95€26.955-7 working days
Belgium€8.95€14.95€14.95€14.954-6 working days
Bulgaria€11.95€31.95€31.95€31.957-9 working days
Croatia€11.95€31.95€31.95€31.956-8 working days
Cyprus€14.95€89.95€89.95€89.95Contact us
Czechia€10.95€21.95€21.95€21.955-7 working days
Denmark€10.95€21.95€21.95€21.954-6 working days
Estonia€11.95€31.95€31.95€31.956-8 working days
Finland€11.95€26.95€26.95€26.955-7 working days
France€10.95€21.95€21.95€21.954-6 working days
Germany€8.95€14.95€14.95€14.955-7 working days
Greece€11.95€31.95€31.95€31.958-10 working days
Hungary€11.95€31.95€31.95€31.955-7 working days
Ireland€6.95€6.95€8.95€8.952-4 working days
Italy€10.95€21.95€21.95€21.955-7 working days
Latvia€11.95€31.95€31.95€31.956-8 working days
Lithuania€11.95€31.95€31.95€31.956-8 working days
Luxembourg€11.95€31.95€31.95€31.955-7 working days
Malta€14.95€89.95€89.95€89.95Contact us
Monaco€10.95€21.95€21.95€21.954-6 working days
Poland€10.95€21.95€21.95€21.955-7 working days
Romania€11.95€31.95€31.95€31.956-8 working days
Slovakia€11.95€31.95€31.95€31.955-7 working days
Slovenia€11.95€31.95€31.95€31.956-8 working days
Spain€11.95€26.95€26.95€26.955-7 working days
Sweden€11.95€26.95€26.95€26.955-7 working days

Returns & withdrawal

Which option you use depends on why you are sending the item back.

Changed your mind?

You have 14 days from receiving your order to withdraw from your purchase. Use our Withdrawal from Contract form to tell us. It is the quickest way, and we will then email you a free returns label.

If you would rather post the item back yourself to our returns address in Ireland, you pay the postage. Full details are on our Returns page.

Withdrawal from Contract

Faulty, damaged or wrong item?

If your item arrived faulty, damaged or not what you ordered, please follow the steps on our Returns page. We cover the cost of returning these items.

Full details of all our return options are on that page.

Returns page

Delivery prices are shown in euros and confirmed at checkout.

EU PRODUCT SAFETY AND COMPLIANCE

Product safety information is available on request from our customer service team.

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