Vortex Diamondback 4-12x40 BDC Rifle Scope
Built for hunters and shooters who want dependable performance with added reach, the Vortex Diamondback 4-12x40 Dead-Hold BDC Rifle Scope delivers clarity, durability, and practical precision in one proven package. The 4-12x magnification range offers excellent versatility for mid to longer-range shooting, while the Dead-Hold BDC reticle helps simplify holdovers for bullet drop and wind drift. Fully multi-coated lenses provide bright, sharp images, and the solid one-piece aluminium tube ensures long-lasting reliability. With a smooth zoom ring, precise 1/4 MOA adjustments, and rugged waterproof, fogproof, and shockproof construction, the Diamondback is a trusted choice for real-world hunting conditions
-Nathan (Technical Advisor)
- Wide field of view of 32.4' – 11.3' @ 100 yds for swift target acquisition
- XDâ„¢ Optical System delivers high-resolution, edge-to-edge clarity and reduced chromatic aberration
- Fully multi-coated lenses enhance low-light performance and image brightness
- Dead-Hold® BDC (MOA) reticle helps simplify holdover and windage corrections across multiple distances
- Fast-focus eyepiece allows rapid reticle adjustments for a crisp sight picture
- Waterproof, fogproof and shockproof construction ensures reliable performance in any hunting environment
- 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
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY – READ MORE: HERE
Note: The above DPD link is to our group partner site Optics Warehouse, with whom we share logistics and stock. Link opens in a new window.
Couriers
We use DPD, Royal Mail, TNT, and UPS courier services for all our UK and international orders. Once your order is dispatched, you will receive an email with your unique tracking number.
In-Store Items
These are items we have in stock and aim to dispatch within 1–2 working days. During busy periods, this may be delayed slightly. If you'd prefer to collect your item in person, please contact us in advance to arrange. Collection orders must be paid for beforehand.
Pre-Order Items
Pre-order items are typically out-of-stock or in limited supply. Purchasing a pre-order secures your item, and it will be dispatched within 24 hours of restock where possible. Check the product page for estimated restock dates. These dates may change, so staying in touch is advised.
International Delivery & Taxes
If your shipping address is outside the UK, you may incur import duties or taxes upon arrival in your country. These charges are your responsibility. Customs regulations vary, so please check with your local customs office. Some packages may be opened for inspection.
Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email [email protected].
DPD Shipments & PIN Code Delivery
We have now introduced DPD Pin Code verification for all orders shipped via DPD. You will receive a PIN via email and text.
A valid email and mobile number must be provided at checkout. Emails will come from Riviera House 3PL. Please check spam/junk folders if not received.
Failure to present your PIN to the delivery driver will result in a failed delivery and rescheduling may be required.