7 Best Rifle Scopes for 308 [Updated 2020]

In this buyer's guide, let's take a look at the best rifle scope for 308 for hunting, plinking, military & competition.

Let's check them out

7 Best Rifle Scopes for 308

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  • Magnification: 5-20X
  • Objective Lens: 50mm
  • Focal Plane: 1st Focal Point
  • Exit Pupil: 2.5 - 10mm
  • Eye Relief: 3.9 in
  • Overall Length; 15.8 inches
  • Weight: 37 ounces
  • Tube Size: 35mm tube
  • MOA Adjustment Range: 0.25 MOA / Click

Why pick Vortex Razor HD Gen 2 - The Vortex RAZOR HD series scope is one of the best in its class for hunting and precision shooting. Sharp glass, tough build quality and various reticles to choose from are everything good about this scope on a 308 rifle.

This 35 mm tubed rifle scope is the leading product that serious precision shooters have always wanted with plenty of click adjustment for long range shots. It's built like a tank for the AR platform, and it's the ideal aiming solution for medium to long-range applications. The 5-20X50 model has a good amount of magnification and reticle features to hit targets accurately with a 308 round. 

When it's time to move on to another rifle platform chambered in a different caliber, the Vortex Razor will last you a life time.

One unique aspect about this scope is its sophisticated L-Tec turret system plus other high-performance features for the state-of-the-art optics with deadly accuracy.

The precision-machined aircraft-grade aluminum housing for a strong and durable tube. Stainless steel offset coil spring erector biasing system withstand higher stress than traditional flat erector springs, which means it can handle the recoil and maintain zero very well.


  • Micro-adjust zero setting gives infinite zero setting spots, which allow zero to be set between clicks for optimal accuracy
  • Built like a tank using a single-piece tube with rugged construction to withstands hard recoil and impact
  • Just over the top high-quality glass


  • This thing can get heavy

  • Magnification: 3-9X
  • Objective Lens: 40mm
  • Focal Plane: 1st Focal Point
  • Exit Pupil: 1.9 - 8mm
  • Eye Relief: 3.3 - 3.5 in
  • Overall Length; 11.61 inches
  • Weight: 14.4 ounces
  • Tube Size: 1" tube
  • MOA Adjustment Range: 0.25 MOA / Click

Why Diamondback - This is the "You get what you pay for" product. A solid one-piece constructed scope makes it indestructible and resistant to heavy recoil. The Argon purging process ensures the scope is water and fog proof.

It's way more affordable than any of the 6 scopes recommended above, and it works. It's one of the best 1000 yard scope for 308, 30-06, 270...etc with the best price. Once it's zeroed on something like Winchester Model 70 it's all set to take on to hunting trip.

Shockproof -  Rugged construction withstands recoil and impact.

Gather as much light as possible - The 50mm objective lens gives the shooter as bright as possible image through the scope for any hunting lighting condition with exit pupil perfectly around 5mm at 10X power.

Added Fast Focus Eyepiece -  Allows the shooter to quickly and easily adjust reticle focusing, and works for people wearing corrected lens

Capped Turret - Capped turret protects the turret to avoid accidental movement of the turrets, and it also allows quick re-indexing of the turret (no tool needed) to zero after sighting in the riflescope. 

Great hunting reticle - The Dead-Hold BDC reticle is the single best all-purpose hunting reticle intended for a wide range of hunting and long range applications.

Leupold mark 5 hd shooting prone
  • Magnification: 5-25X
  • Objective Lens: 56mm
  • Focal Plane: 1st Focal Point
  • Exit Pupil: 1.9 - 8mm
  • Eye Relief: 3.6 - 3.8 in
  • Overall Length; 15.7 inches
  • Weight: 33 ounces
  • Tube Size: 35mm main tube
  • MOA Adjustment Range: 0.25 MOA / Click

Why Leupold - Want America's most reputable optics brand? Leupold is the way to go. It's kinda like a Vortex RAZOR HD Gen 2, but feels even beefier in its construction and finish. Using the superior edge to edge clarity glass that performs well under extreme low-light condition.

It's built to max out the performance of the latest long-range rifles and caliber. The exterior lens surface is treated with DiamondCoat 2 for higher light transmission and the greatest level of abrasion resistance. So to sum up, the clarity of this scope is over the top as one of the best.

35mm tube for more click adjustments - This first focal plane scope is built for long-range shooting for more turret adjustments up to 100 MOA clicks for elevation and 50 MOA clicks for windage.

Added non-bolt interfering magnification throw lever - The integrated magnification dial throw lever allows for fast dialing, and it stops at the 1 o clock, which doesn't interfere with the action of the bolt on a bolt gun even if the bolt is oversized

Twilight technology - It allows better color and contrast consistency in low-light environments. It adds up to 30 minutes of illumination while eliminating 90% more glare-producing light than its competitors.

Improved rotation identification - Getting lost in the turret is no fun and it causes confusion. The new turret numbering designates the first rotation second & third rotations, the button extrudes on the last rotation so the shooter doesn't get lost in the turret rotations.

Intuitive windage indexing line - Stay behind rifle while adjusting windage without getting over the top of the scope. The new indexing line allows the shooter to work the windage adjustment and stay behind the scope without changing the shooting position

vortex 1-10x on ar10
  • Magnification: 1-10X
  • Objective Lens: 24mm
  • Focal Plane: 1st Focal Point
  • Eye Relief: 3.6 in
  • Overall Length; 10.1 inches
  • Weight: 21.5 ounces
  • Tube Size: 34mm main tube
  • Click Adjustment: 0.25 MOA or 0.1 Mil / Click

  • Why RAZOR 1-10X - The Vortex RAZOR 1-10X FFP is the newest low power variable optic on the market today that's considered a true CQB and long range hybrid optic compared to its 1-6X and 1-8X predecessors.

    The new 10X magnification doesn't change the weight of the scope, in fact, this 34 mm scope is weighs similar to the Vortex Razor 1-6X, and while the 1-6X has been highly successful, Vortex wanted increased magnification range, a first-focal-plane (FFP) reticle and no increase in weight.

    Improved ocular lens for bigger eye box at 1X - For running and gunning type of shooting, it's important to get on target fast with a full field of view.

    The improved ocular lens gives a bigger eye box and more head movement at 1X for the shooter to throw the rifle to their shoulder quickly and then get a full field of view and acquire the target before squeezing one off.

    At 1X the field of view is the best we have seen to date on the market.

    NEW EBR9C To Maximize Reticle Versatility - The new EBR9C is optimized for CQB and at 10X magnification with a bright center red dot followed by 4 hash marks to guide the shooter's eye quickly to the center for fast target acquisition.

    At a higher magnification range, the EBR-9C reticle on the first focal plane provides a full feature hashmarked reticle using MOA based subtension lines for ranging and windage corrections.

    Improved Horizontal Line Subtension - The added horizontal line features 0.5 mil harshmark for finer adjustment with thick 1 mil hashmark for moving targets.

    When you need to range and engage targets down range with precision, go with the EBR9-C reticle

    Improved Magnification Dial Ring - Unlike other LPVO with stiff magnification dial ring, the RAZOR 1-10X is much easier to turn without feeling stiff, and the scope comes with a quick magnification switch lever to help the shooter change power faster

    Vortex pst gen 2 5-25x50
    • Magnification - 5-25x
    • Objective Lens Diameter - 50 mm
    • Adjustment Graduation - 1/4 MOA
    • Eye Relief - 3.4 inches
    • Tube Size -  30 mm
    • Focal Plane - Second
    • Length - 15.79 inches
    • Weight - 31.2 oz

    Why people love Vortex Optics - By now, everyone in the industry knows the Vortex brand. They make a large selection of optics for shooters.

    The Vortex Viper PST 5-25X50 is a second focal plane scope with a sharp glass quality, no noticeable distortion of any colors, and it has great light transmission than other scopes.

    Vortex Optics Viper PST Gen II 5-25x50 is a second-generation with significant improvements to Gen I. the scope is more durable and comes with better glass, larger eye box and eye relief.

    The Gen 2 version also finally upgraded the turret adjustment similar to their high-end Razor line, which means no more shims for adjusting your zero stop.

    The Viper PST is the versatile choice for 7.62 and 6.5 CM rifle owners that want a multi-use combo for hunting, competition and shooting tactical with its glass etched EBR-7C reticle.

    If you want to check out more rifle scopes with reticles best suited for 6.5 Creedmoor, get the Nightforce NXS 5.5-22x56 HS Zero Stop MOAR because this scope can handle other heavy kick calibers.

    ACOG 3.5X on FN SCAR 17
    • Magnification - 3.5x FIXED
    • Objective Lens Diameter - 35 mm
    • Adjustment Graduation - 1/4 MOA / click
    • Eye Relief - 2.4 inches
    • Length - 8 inches
    • Weight - 14 oz

    Why pick ACOG - This iconic battle scope has been etched in our brain for the last 10 years through images of soldiers carrying them on their carbines. It's one of the most rugged optics used within the U.S. military. Built with aircraft-grade 7075-T6 aluminum, which is virtually indestructible and shockproof.

    To case a point, a large body of 19-year-old Marines and soldiers who don't treat their gears very gentle at all, and this are seriously built for the rough gun handlers.

    What makes this optic unique is its compact profile and better eye relief distance compared to the traditional 4X ACOG. It gives the shooter a little bit more eye box to shift around with and still maintain sight picture, which is the best compact scope for 308 and 223 calibers semiauto battle rifles.

    Overall it has a great magnification and weight for medium-range engagement up to 400 yards, and its superior tank alike built quality made its way onto the list for best rifle scope for AR10 308 and 6.5 Creedmoor rifles.

    Battle Tough Body Construction - Indestructible 7075 T-6 Aluminum construction the hardest material you can build a scope, and the ACOG scopes are the standard issue optic for rifleman in the military, and it's built for warfighters

    Exact Target Distances & Holds - Most ACOG models feature a bullet drop compensating and target-ranging reticle for decisive aiming.

    Improved Eye Relief & Eye Box - Eye relief distance has been improved on the 3.5X35 model compared to the 4X32 model. The shooter gets 1" additional eye relief distance to prevent eye smack or helmet bump

    Accepts Many Aftermarkets ACOG Mounts - Depend on what your tactical rifle setup is, the shooter can buy various aftermarket ACOG mounts whether be fixed mount or quick detach mounts. The ACOG is made ready to be customized

    Multiple Reticles Offers - including crosshair, horseshoe dot, and chevron

    ALWAYS ON, ALWAYS READY - Most ACOG® models are battery free including the 3.5X35, featuring a tritium/fiber optic illuminated reticle that automatically adjusts the brightness based on available light.

    Sig Sauer SIERRA3BDX 6.5-20X52 mm - Most Affordable SMART Optic

    sig sauer bdx sierra 3 BDX

    Sig Sauer is now officially an optic manufacturer in the industry, while they're already one of the industry's leading beast making world-class firearms, they're new to the optic world.

    They didn't just make regular scopes like other companies, what they did is they have leveled up to the competition in long-range shooting by introducing the Ballistic Data Xchange ( BDX ) series electro riflescopes with a digital focal point that can be paired to your smartphone and Sig Sauer rangefinder, which lets the scope calculate holdover automatically without the user doing math.

    For hunters, the BDX also shows the distance and kinetic energy transfer indicator that tells the hunter if it's a clean ethical shot, which is called the KinETIC built into every SIERRA3BDX series products.


    • BDX rangefinder assist with auto holdover calculation, so the shooter can just range the target, point, and shoot
    • Magnification dial automatically adjust holdover point accordingly with a digital focal point
    • KinETHIC provides assistance in assuring ethical hunt by indicating when energy on target drops below a threshold
    • Store ballistic data into your Smartphone and transfer it to the scope
    • Great for new shooters


    • You might quit learning the fundamental of long range shooting because this technology has made it too easy

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