Vortex Optics Diamondback 4-12×40 Riflescope Review

If you have been hunting for a long time, you are probably familiar with Vortex Optics. Many people know the brand as one of rifle scope brands and comes full of features to make your hunting trips more exciting.


This Vortex Optics Diamondback 4-12×40 BDC Rifle Scope has an abundance of good, sleek design while maintaining its functionality. It does not seek to be a solution to all hunting problems, but rather seeks to fulfil specific objectives.

The design is long lasting. The back optic is fully adjustable, and seeks to allow all the requirements that the user has.

The Vortex Optics Diamondback Riflescope has a quarter MOA click adjustment ability, even at distances of 100 yards. There is also a space for a single inch box, while the riflescope is short and ultra-portable due to its lightweight. This makes your handling much easier – there are no lower qualities due to the adjustments on field of view.

The Vortex Optics Diamondback 4-12×40 BDC Riflescope is best for right-handed shooters, so left-handers will have to make a few adjustments in order to continue smoothly. However, do not let it scare you off – the riflescope is easy to adjust in case of those changes. For extra convenience, the riflescope works very well with varied gun types including AR 10 rifle, regardless of whether they are old or new.


Because the glass is very bright, this makes your views very pleasant, even if you are viewing it from the edges. There is improved visual clarity as well because of the back optics and reticle, which enhance the target image and sharpness. In addition, the focal eyepiece – it works very well and is very easy to focus and zoom. The zoom lens also comes with a mechanism that makes sure magnifying changes remain smooth, even if the conditions are not so favorable.

Adjustable to Any Conditions

For the Vortex Optics Diamondback 4-12×40, it emphasizes the value of easy adjustment – after all, you do not want to struggle adjusting your aim instead of studying your target. The riflescope combines both wind age dials and adjustable elevation, all with audible clicks.

This makes the AR 10 rifle scope good for hunting big game, as well as long-range applications, predator/varmint, target shots and slug shotguns. The dead-hold reticle has a BDC design, perfect for removing guesses on wind age applications and holdovers. This makes it very good for shots at changing distances, where guessing the holdover is a concern.


The riflescope comes with an aircraft-grade aluminium alloy in one piece, making it extremely resistant to recoils when shooting, as well as enhancing its strength and durability. The argon gas in the helm does not react with water, therefore, combines both fog proof and waterproof enhancement. The highly advanced and sophisticated multi-coated optics on the other hand, provide extra accuracy when sharp images show up on the cross hairs.


The Vortex Optics DBK-04-BDC Scope utilizes a custom dot design. This also helps to remove guessing situations. It has a second focal plane within it, and this helps to keep ideal sized distance appearances.

Adjustable and Lockable Turrets

The turret section has an excellent design, and allows for consistent, precise and sharp elevation and wind adjustments. You no longer have to worry about hitting your target because of wind speeds and other reasons – this riflescope takes care of everything for you.

The setting and lock aspects make sure to guard and work together with one of the important components in the optic – this enhances aiming at the target.

Eye Relief

The eye relief of Vortex Optics 4-12×40 ao Diamondback Scope provides you is 3.1 inches, which is not so bad. Of course, there are scopes with better eye relief apertures, but the range of this scope has is very good, and still guarantees you protections even at recoils.



The Vortex Optics Diamondback 4-12×40 Dead-Hold BDC Reticle – 1 Inch Tube may have its own challenges, but it is worth a try. The range of focus is very good and value for money. It’s a worthwhile investment, and you will not regret buying it.

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