Vortex Diamondback 4-12x40 BDC Rifle Scope

• Magnification 4–12x
• Objective Lens Diameter 40 mm
• Focal Plane Second Focal Plane
• Reticle Dead-Hold® BDC (MOA)
• Eye Relief 3.1"
• Field of View 32.4' – 11.3' @ 100 yds
• Turret Style Capped
• Tube Size 1 inch
• Adjustment Graduation 1/4 MOA
• Travel Per Rotation 15 MOA
• Max Elevation Adjustment 60 MOA
• Max Windage Adjustment 60 MOA
• Parallax Setting 100 yds
• Length 12.0"
• Weight 14.2 oz

• XD™ Optical System – Produces exceptional resolution, reduced chromatic aberration and impressive contrast.
• Fully Multi-Coated Lenses – Anti-reflective coatings improve light transmission for enhanced brightness and clarity.
• Dead-Hold® BDC (MOA) Reticle – Customised dot design for accurate windage and holdover estimation at varied ranges.
• Fast-Focus Eyepiece – Enables swift, precise reticle focusing.
• Aircraft-Grade Aluminium Body – Machined from a single piece for maximum strength and rigidity.
• Low-Glare Matte Black Anodised Finish – Durable, corrosion resistant and designed to reduce reflection.
• Argon Gas Purged & O-Ring Sealed – Guarantees waterproof and fogproof performance in extreme weather.
• Shockproof Build – Engineered to withstand heavy recoil and rough field use without compromising zero.

1. What magnification range does this scope offer

It features a 4-12x magnification range, ideal for mid to long-range shooting

2. What reticle does it use

It uses the Dead-Hold BDC (MOA) reticle, designed to assist with bullet drop and wind drift compensation

3. Is this scope first or second focal plane

It is a second focal plane scope, meaning the reticle remains the same size at all magnifications

4. What is the tube size

It has a 1-inch tube, offering a lightweight and widely compatible design

5. How precise are the turret adjustments

The turrets adjust in 1/4 MOA increments for accurate and repeatable adjustments

6. Does it have parallax adjustment

No, it has a fixed parallax setting at 100 yards

7. What is the eye relief

It provides approximately 3.1–3.5 inches of eye relief, depending on magnification

8. What type of glass does it use

It features fully multi-coated lenses for improved light transmission and clarity

9. Is it durable and weatherproof

Yes, it is nitrogen purged and O-ring sealed, making it waterproof, fogproof, and shockproof

10. What warranty does it come with

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

• Vortex VIP Lifetime Warranty

Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means. 

Please Note: Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.

Please Note: DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY - READ MORE: HERE

COURIERS

We use DPD , RoyalMail, TNT  and UPS courier services for all our orders whether dispatching to the UK or International. As soon as your order has been dispatched you will receive an email with your unique tracking number. We are unable to add delivery notes to your order regarding safe spaces or neighbour deliveries. If you require this service it can be arranged directly with the courier once the parcel is in their network.

IN-STORE ITEMS

These are items that we have in-stock and will be sent out for delivery as soon as possible. We aim to dispatch all orders within 1-2 working days, but during busy periods dispatch may be delayed by a day or so. If you would like to purchase the item in person then please call ahead to arrange an appointment: 01803 611 895.

PRE-ORDER ITEMS

These are usually items that are going to be out-of-stock for a number of weeks or are in short supply. By purchasing a Pre-Order Item you are in effect paying a deposit for your goods. As soon as the item is back in stock yours will be dispatched within 24 hours where possible. Please see individual product pages for current back-in-stock dates. In rare occasions, these dates can be changed by the manufacturers so we recommend staying in contact with Optics Warehouse depending on the product lead time.

INTERNATIONAL DELIVERY & TAXES

In addition to the above information If your delivery address is outside of the UK you may be subject to import duties and taxes, which are levied once a shipment reaches your country. Any such additional charges for customs clearance must be borne by you. You should note that customs policies vary widely from country to country. Optics Warehouse advises each customer to contact their local customs office for further information if they are in any way unsure of local duties or liabilities. Cross border shipments are subject to opening and inspection by customs authorities which means some packages may be opened and re-sealed.

NEED HELP?

If you require any further assistance, please call us on 01803 611 895 or email sales@opticswarehouse.co.uk

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A NOTE ABOUT DPD SHIPMENTS:

• Please be advised that we have now introduced DPD Pins to all DPD orders from Optics Warehouse.
• If your shipment is being sent from Optics Warehouse via DPD you will be sent a Pin Code that must be shown to the courier upon delivery.
• The pincode is sent VIA email & TEXT message. A valid email address and mobile number must be provided at checkout. Emails will be sent from "Riviera House 3PL" - if you do not receive this email please check your junk or spam folders.
• Please note that if you do not display your pin code to the courier driver upon delivery, you will not be able to have your item and you may need to schedule another delivery date to show a valid pin.
• Please view the attached slides HERE for further information!