February 26, 2018

Best Scope For 308 Rifle 2018 – Reviews & Buyer’s Guide


The 308 rifle has been in use since 1952 when Winchester had introduced it. This rifle is capable of shooting long distance targets and that’s why many snipers love this rifle. However, now people also use it for target practice and also for hunting. Both newbie users and experts search for the best scope for 308 because shooting a long distance target without a rifle scope would be a daunting task for any shooter.

We have reviewed the top rated rifle scopes in this post to guide you towards a perfect scope. Read the reviews and you will find a rifle scope that can improve your performance with the 308 rifle.


1. Vortex Optics Diamondback HP

Vortex Optics Diamondback HP 4-16x42

Via Amazon.com

The Vortex Optics Diamondback HP is my top pick because of its cost and performance. There are some expensive options in the market, but the Diamondback HP also features great build quality. The unlimited warranty makes it a trusted choice for any shooter. Many people do not know that they can transfer the warranty of this rifle scope to a new owner, if they sell it.

The manufacture will not ask for any bill, buyer’s receipt or warranty card. All he will need is the 308 rifle scope to replace it or fix it. This rifle scope is 12.5” large and it will never fog up. It is shockproof, waterproof, and it is a reliable gear for hunters. Therefore, I choose it as my best pick for the 308 rifle.


  • This rifle scope comes with a 42mm objective lens, which has a magnification range of 3-16x. The lens is quite large therefore a lot of light comes in and the user gets a clear and perfect view of the target.
  • The unlimited warranty is something that every shooter wants and Vortex Optics Diamondback HP is providing.
  • The price is affordable and the build quality is premium.


  • Some shooters may find it bulky because of 2lbs added weight.
  • It would be a bit difficult to focus in the field.

2. Vortex Optics Crossfire II 6-18x44 AO Riflescopes

Vortex Optics Crossfire II 6-18x44 AO Second Focal Plane Riflescopes

Via Amazon.com

The Crossfire II from Vortex Optics is another great option. It comes with 18x maximum magnification to expand your reach to a far located target. It is durable and offers a clear view of the target, whether the target is located closer or far away from your position. It is built from aircraft-grade aluminum alloy that turns it into a very durable option for brush hunting.

The BDC reticle offers a clear view of the prey and the crosshairs are quite fine. The reflective surface of the lens causes a lot of troubles for the shooters. Therefore, Vertex Optics is offering the lens with anti-reflective multi-coatings to prevent reflection and offer a brighter view. This rifle scope is also equipped with nitrogen gas purging that turns it into a fogproof rifle scope. It is waterproof and therefore you will never worry about its performance during the rainy days.


  • Just like the previous product, the Crossfire II also comes with Vertex Optics’ lifetime warranty.
  • It is very useful for hunters because of 18x magnification.
  • The view of the target will be very clear, whether it is located closer or farther.
  • It is one of the most affordable rifle scope for 308.


  • The cap and covers may seem irritating while you are making adjustments according to your shooting requirements.

3. Vortex Viper 6.5-20x50 PA

Vortex Optics Viper 6.5-20x50 PA Second Focal Plane Riflescopes

Via Amazon.com

Though it is slightly overpriced, the serious hunters and marksman would not mind to invest their bucks in it. The Vortex Viper 6.5-20x50 is certainly a great option because its magnification range is quite large in comparison to other products. The expert shooters have chosen it to get ultra-crisp visuals of far located preys and targets.

The manufacturer assures that this rifle scope will perform excellently during the dark and moisture conditions. It is built to endure heavy recoil and that’s why it is a premium class rifle scope for 308. Shooters, who like to take down the prey and targets from far away, they will praise the long range reticle graduations and multi-coated optics of this rifle scope.


  • It is equipped with a 50mm objective lens that assures bright and clear visuals during all the magnification ranges.
  • The light transmission is excellent.
  • Durable one-piece tube construction.
  • Quick focus feature.
  • Intuitive controls and adjustment.


  • The eye relief might be poor at higher magnifications.
  • It may not hold zero perfectly.
  • Not an ideal rifle scope for close range shooting.

4. Vortex Viper HST 6-24X50 Riflescope

Vortex Optics Viper HS-T 6-24x50 Second Focal Plane Riflescopes

Via Amazon.com

The Viper HST is the fourth riflescope from Vortex that I have chosen as one of the best scope for 308 rifles. It is designed to fit perfectly on the rifle and its premium finish is simply amazing. This rifle scope features a blend of features from the Viper HS and Viper PST riflescopes. It is built from a 30mm one-piece aluminum tube to offer better windage, incredible adjustment, and elevation travel.

Its 4x zoom allows you to magnify the object in many different ways. You can focus on the target quickly and get in shooting position very fast before it moves to another place. The ultra-strong aluminum tube offers impressive durability to this riflescope. That’s why the professional shooters may agree to pay an expensive price for buying this scope.


  • Unconditional lifetime warranty from the manufacturer.
  • The color fidelity and resolution gets increased because of the extra-low dispersion glass. Consequently, the user gets a sharp and crisp visual of the target.
  • The reticle’s scale will always be in proportion to the magnified image.


  • Just like other Vortex riflescopes, the eye relief would be poor when you are targeting a far located object.

5. Nikon Buckmasters II 3-9x40 BDC

Nikon Buckmasters II 3-9x40 BDC

Via Amazon.com

I think you also know that Buckmasters and Nikon, both are two different companies. Both of them came together to design and produce a high-quality riflescope. The Nikon Buckmasters II is the resultant product that is my budget pick.

Though it is an entry-level scope for the new shooters, the newbies can learn many things about shooting and hunting by using it. Installation and zeroing would be easier. Its glass seems brighter than other riflescopes and therefore you can expect to get clearer visuals. It can magnify up to 9x and that’s why it is a decent choice for the beginners.


  • It is budget friendly and feature-rich too.
  • It has all the basic features that a serious hunter seeks in a good quality rifle scope.
  • The visual will be crisp and clear.


  • Poor eye relief.
  • You cannot focus perfectly on a target that roaming within 30 yards distance.

Things To Consider Before Choosing The Best Riflescope For 308:

There are a few important features which you must consider before choosing the best scope for 308. Those features are:

Magnification And Clarity

The rifle scopes are meant to magnify the target so that the shooter can easily target the targets. The 308 rifles are perfect for shooting far located objects and therefore the riflescope must offer a clear image of a far located target. Suppose you have bought a scope that offers clear image only within 250 yards, it is worth useless for a serious marksman and hunter. The image clarity should be impeccable, even if the target is beyond 300 yards.

Ease Of Use

You should be able to use the scope conveniently, whether you are enhancing magnification or decreasing it. It is worth useless for a serious hunter if it takes too much time for increasing or decreasing magnification. Your target can move to another location during that time and that’s why you cannot take a perfect shot in such situation. Therefore, the best scope for 308 is a riflescope that quickly increase or decrease magnification without puzzling the user.



Durability matters a lot, especially when you are buying a scope for your 308 rifle that you use for hunting. You will visit several tight areas for hunting, where limbs and branches can affect the quality of the scope. It should be durable enough to withstand shocks and scratches. The lens should be intact, even if you are trying to shoot the target during a rainy day.

Choose a riflescope with multi-coated lenses to ensure there will be no scuffs on the lens. A solid, one-piece construction and high-quality material can offer impressive durability to a scope that you can use for a long time.


There would be a big difference between the cost of a professional grade 308 scope and entry-level 308 scope. You would not like to compromise with image clarity and magnification range, if you are a professional marksman or a pro level hunter. You may like to buy a cost-effective riflescope for your 308 rifle, if you are still learning how to hunt.

Though the cost does not define the quality of the product, still you should consider the given suggestions. Most of the expensive scopes provide impressive features. An entry-level hunter may not need all of those features. Therefore, a cost-effective scope would be great for the beginners.

Why You Must Buy A Scope For Your 308 Rifle?


You may believe that you can easily shoot the target with bare eyes, but what about far located targets? Can you pick and shoot those targets, which are around 300 yards away from your position? It would be very difficult. First of all, you cannot see afar located target clearly with bare eyes.

You may miss a great opportunity of killing the prey or taking a winning shot, if you miss it because of lack of clarity. That’s why rifle scopes are quite essential for any shooter or hunter. There are a few other benefits that you must check to know the importance of the best scope for 308.

Better accuracy

A riflescope helps you in choosing the best part of the prey to kill it immediately. You can target more accurately and shoot without taking much time. It may not be possible without the scope, especially when your target is not too close to your position. Even the experienced marksman and hunters cannot take a perfect shot without using the scope and that’s why it is so important.

Better use of rifle’s range

The 308 rifle is a reliable weapon for targeting and killing the prey located far away. It would be unfair with this rifle if you do not take the advantage of this rifle’s shooting range. You must use a good quality scope that can expand your reach to far located objects. You will shoot the target quickly and more effectively, if you get a 9x+ magnification riflescope.

Get the best scope for 308 to boost your confidence

How would you feel when you will shoot the target in just one shot? It will certainly boost your confidence level. It will ensure that soon you will be able to perform better, whether you are hunting or simply doing target practice.


I have reviewed five top rated scopes for the 308 rifle in this post, but the Vortex Optics Diamondback HP the best you can buy now. It is my top pick not only because of some exceptional features this scope provides, but also because it is the best you can buy in its price range. Lifetime unconditional warranty, impressive image clarity up to 16x magnification, all of these features turns it into the best scope for 308 rifles.

Though the Vortex Optics Diamondback HP is my top pick, you can assess other scopes and their features to ensure you are making a right choice. All the noticeable features of those scopes are mentioned. Therefore, I Believe you will not face any trouble in choosing the best riflescope for your 308 rifle. After all, it will help you in becoming a pro marksman or hunter, if you a newbie in these fields.

Alex Ramsey

Work hard & live to hunt! Countryman Hunter , Archery, shooter, Freelance outdoor writer and Love USA. founder of thebigdeer.com where I share my hunting experiences and gear reviews to help you become more prepared. Knowledge will save you, but great gear will help! Let Get Out & Go Hunting

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