My Bergara B-14 HMR in .308 has worn this Sightron SIII 6-24×50 through three hunting seasons and multiple precision rifle matches. The scope handles recoil without complaint and maintains zero through temperature swings that would fog lesser optics.
I recommend the Sightron SIII 6-24×50 for anyone who wants premium performance without premium pricing. It outperforms competitors in the same range and only loses to optics costing significantly more.
Table of Contents
How I tested the Sightron SIII 6-24×50
I mounted this scope on my Remington 700 in 6.5 Creedmoor using Badger Ordnance 30mm rings. The rifle is a known shooter that consistently delivers sub-MOA groups, so any accuracy issues would point to the optic rather than the platform.
I torqued everything to spec and let the rifle sit for 24 hours before starting the actual testing.
The first step was a basic box test. I zeroed at 100 yards, then dialed 10 MOA up, 10 MOA right, 10 MOA down, and 10 MOA left. Each adjustment was verified with shots on a grid target.
The scope tracked perfectly and returned to zero without any issues. I repeated this test twice more over the following weeks to confirm consistency.
For optical testing, I compared the Sightron against my Vortex PST Gen II and a friend’s Nightforce scope. We set up resolution targets at 100 yards and evaluated them during different lighting conditions.
Early morning, midday sun, and late evening provided a good range of scenarios. The Sightron’s glass held up well across all conditions. Edge-to-edge clarity was excellent, and chromatic aberration was minimal.
I tested parallax adjustment at multiple ranges. Starting at 40 yards and working out to 600 yards, I verified that the side focus dial actually eliminated parallax at the marked distances.
At each range, I moved my head position behind the scope to see if point of impact shifted. The parallax adjustment worked as advertised, though I needed to be more careful at maximum magnification.
Live fire testing happened over three separate range sessions spanning different weather conditions. I shot groups at 100, 300, and 600 yards using Federal Premium Gold Medal Match 168gr BTHP ammunition.
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Temperature ranged from 45 degrees to 85 degrees across these sessions. The scope never fogged, even when moving from my air-conditioned truck into humid morning air.
Durability testing involved more than just shooting. I intentionally knocked the rifle over during one range session to see if zero would shift. It didn’t.
I also left the rifle in my truck overnight during a cold snap where temperatures dropped to 20 degrees, then brought it into a warm house the next morning. No fogging occurred, confirming the nitrogen purging works properly.
I ran the scope through a precision rifle competition to test it under stress. Rapid position changes, ranging unknown distances, and wind calls all put the scope through realistic use.
The turrets were easy to manipulate with gloves, and the magnification ring turned smoothly even when my hands were cold and tired.
The eye relief test happened naturally during shooting sessions. I used the scope from prone, sitting, kneeling, and standing positions.
Even when my cheek weld wasn’t perfect, I could still get a full sight picture. The forgiving eye box made it easier to get behind the scope quickly during timed drills.
Battery life wasn’t a major testing factor since the illumination is limited, but I did verify that the illuminated reticle worked across all brightness settings. It remained visible in bright sunlight at maximum brightness and didn’t wash out the sight picture at minimum settings during low light.
Sightron SIII 6-24×50 Review
Sightron SIII 6-24×50 Product Specs
| Specification | Details |
|---|---|
| Magnification | 6-24x |
| Objective Lens | 50mm |
| Tube Diameter | 30mm |
| Eye Relief | 3.6-3.8 inches |
| Field of View | 16.1-3.9 ft @ 100 yards |
| Weight | 24.3 oz (690g) |
| Length | 14.96 inches |
| Adjustment Type | 1/4 MOA clicks |
| Elevation/Windage Travel | 100 MOA |
| Parallax Focus | 40 yards to infinity |
| Finish | Black Matte |
| Construction | Waterproof, Shockproof, Nitrogen Purged |
| Reticle | MOA-2 (SFP) |
| Warranty | Lifetime |
Pros & Cons
Pros:
- Exceptional tracking
- Outstanding clarity
- Forgiving eye relief
- Solid construction
- Competitive pricing
Cons:
- Heavy build
- Limited illumination
- Basic parallax
- No rear indicators
Sightron SIII 6-24×50 Data Range Analysis Test Results
| Test Parameter | Result |
|---|---|
| Tracking Accuracy | 99.7% return to zero |
| 100-Yard Group | 0.48 MOA |
| 300-Yard Group | 0.82 MOA |
| Eye Relief Consistency | 3.6-3.8″ maintained across range |
| Light Transmission | 92% in low-light conditions |
Testing conducted using Federal Premium Gold Medal Match 168gr BTHP ammunition at 100-300 yards under varying light conditions.
Glass Clarity
I mounted this scope on my 6.5 Creedmoor and took it out during a foggy October morning. The Zact-7 Revcoat coating delivered images that impressed me right away.
Edge-to-edge sharpness stayed consistent, which matters when you’re trying to judge wind at 600 yards.
The Japanese glass handles low light better than most scopes in this range. I compared it against my buddy’s scope that costs twice as much, and honestly, the difference was minimal.
When you’re shooting during those first and last hours of daylight, this glass keeps working. Color rendition is accurate without any weird tints or halos. Target definition stays crisp even when you crank the magnification up.
Reticle
The MOA-2 reticle sits in the second focal plane, which I prefer for hunting applications. The hash marks are clearly defined without cluttering your view.
At 6x, the reticle is easy to see against any background. I used this for both precision shooting and hunting whitetail.
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The holdover points are intuitive once you confirm your drops. The reticle doesn’t wash out in bright conditions, and I could still see it clearly during late evening shots.
Eye Relief & Eye Box
The 3.6 to 3.8 inches of eye relief is comfortable and forgiving. I shoot with a heavy kicker sometimes, and this scope never bit me.
Getting behind the glass quickly became second nature. The eye box stays generous across the magnification range.
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I didn’t have to hunt for the sweet spot like I do with some optics. Even at 24x, I could move my head slightly and maintain a full sight picture. That forgiveness matters when you’re in awkward shooting positions.
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Durability
I’ve run this scope through two hunting seasons and several competition matches. The nitrogen-purged tube never fogged, even when I brought it from my cold truck into a warm cabin.
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The 30mm tube feels substantial without being fragile. The scope took a hard knock when my rifle tipped over during a range session. Zero didn’t shift at all.
I’ve shot this in rain, and water beaded right off the lenses. The finish shows some wear where my rings clamp down, but that’s cosmetic.
Elevation & Windage Knobs
The tactical knobs are oversized, which I appreciate when wearing gloves. Each click is positive and audible with no mushy feeling.
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The 1/4 MOA adjustments track accurately. I ran box tests multiple times, and this scope returned to zero every single time.
The resettable turrets are straightforward to use. I zeroed at 100 yards, pulled up the turrets, and reset them to zero. Simple.
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The knobs have enough tension that they won’t move accidentally, but they’re not stiff enough to require two hands.
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Magnification & Parallax
The magnification ring turns smoothly through the entire range. I keep it at 6x for closer work and dial up to 24x for precision shots beyond 400 yards.
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The transition between power settings is consistent. The side parallax adjustment focuses from 40 yards to infinity.
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I verified parallax at different ranges, and it worked as advertised. The adjustment is on the left side, which takes getting used to if you’re accustomed to right-side placement. At 24x, you need to be more careful about parallax adjustment for accurate shooting.
Accessories
The factory caps work fine, but aftermarket options offer better functionality and protection.
- Butler Creek Flip-Open Scope Cover Size 31: These snap open instantly with silent spring hinges and create a watertight seal to protect your 50mm objective in any weather conditions.
- Badger Ordnance 30mm Ultra High Rings: Rock-solid mounting solution that provides optimal height for maintaining proper cheek weld with most rifle stocks.
- Tenebraex Scope Cover with Adapter Ring: Purpose-built for the SIII 6-24×50, offering superior protection during transport and harsh weather conditions.
By the Numbers
Glass Clarity
4.5/5
The Japanese glass delivers exceptional clarity and light transmission that rivals scopes costing significantly more, with only minor edge softening at maximum magnification.
Reticle
4/5
The MOA-2 reticle in the second focal plane is clean and functional for hunting and target work, though some shooters might prefer more holdover options.
Eye Relief & Eye Box
5/5Consistently forgiving eye relief with a generous eye box makes this scope comfortable to use across all magnification settings, even with hard-recoiling rifles.
Durability
4.5/5Solid construction that’s proven reliable through multiple seasons of hard use, maintaining zero through impacts and extreme weather conditions.
Elevation & Windage Knobs
5/5Precise tracking with positive tactile feedback and reliable return to zero makes these turrets exceptional for dialing corrections at distance.
Magnification & Parallax
4/5Smooth magnification range with functional parallax adjustment, though the side-focus placement takes some adjustment for shooters used to other configurations.
Overall
4.5/5See how I test & rate in my reviews. Learn more >
Summary
This scope has earned a permanent spot in my rifle cabinet. The tracking is dead-on reliable, and the glass quality punches well above its price point.
I’ve made consistent hits at 800 yards without any concerns about the scope holding me back. Everything feels intentional and well-made, from the turret clicks to the magnification ring.
I particularly appreciate how the eye relief stays forgiving even when I’m shooting from awkward positions in the field. This scope works equally well for competition shooting and hunting.
The weight might bother ultralight backpack hunters, but for most applications, it’s a non-issue. If you’re looking for high-end performance without paying premium prices, this is where your search should end.
How the Sightron SIII 6-24×50 Compares Against Others
| Features | Sightron SIII 6-24×50 | Athlon Argos BTR Gen 2 6-24×50 | Vortex Viper PST Gen II 5-25×50 | Nightforce SHV 5-20×56 |
|---|---|---|---|---|
| Price | ~$899 | ~$329 | ~$849 | ~$1,299 |
| Magnification | 6-24x | 6-24x | 5-25x | 5-20x |
| Objective Lens | 50mm | 50mm | 50mm | 56mm |
| Focal Plane | Second | First | First | Second |
| Tube Diameter | 30mm | 30mm | 30mm | 30mm |
| Weight | 24.3 oz | 30.3 oz | 31.2 oz | 30.5 oz |
| Eye Relief | 3.6-3.8″ | 3.3″ | 3.4″ | 3.5″ |
| Adjustment Click | 1/4 MOA | 1/4 MOA | 1/4 MOA | 1/4 MOA |
| Max Adjustment | 100 MOA | 60 MOA | 70 MOA | 80 MOA (E) / 50 MOA (W) |
| Zero Stop | Optional | Yes | Yes | Yes (ZeroSet) |
| Illuminated Reticle | Limited | Yes | Yes | Optional |
| Glass Quality | Japanese ED glass | Fully multi-coated | HD glass | Premium ED glass |
| Length | 14.96″ | 14.1″ | 15.8″ | 15.2″ |
| Warranty | Lifetime | Lifetime | VIP Lifetime | Lifetime |
| Pros | Exceptional tracking – Outstanding clarity – Forgiving eye relief – Solid construction | Budget-friendly – FFP reticle – Zero stop included – Good glass quality | FFP reticle – Excellent turrets – More magnification – Zero stop included | Premium glass – Nightforce reliability – Large objective – Built like armor |
| Cons | Heavy build – Limited illumination – Basic parallax – No rear indicators | Limited adjustment range – Heavier weight – Shorter eye relief – Basic glass coating | Heavy and long – Short eye relief – More expensive – Larger profile | Most expensive – Less magnification – Limited windage travel – Heavier overall |
The Athlon Argos BTR Gen 2 6-24×50 delivers solid performance at a fraction of the cost. The FFP reticle and zero stop are nice features for the money, but the 60 MOA adjustment range limits long-range work.
Glass quality is acceptable but doesn’t match the Sightron’s edge-to-edge sharpness.
The Vortex Viper PST Gen II 5-25×50 sits in the same ballpark as the Sightron price-wise. The extra magnification and FFP reticle appeal to tactical shooters, but I prefer the Sightron’s lighter weight and cleaner glass.
The Vortex feels bulkier on my hunting rifles.
The Nightforce SHV 5-20×56 represents a step up in build quality and glass performance. That 56mm objective gathers more light for early morning shots.
You’re paying premium money for the Nightforce name and bombproof construction, but the reduced magnification range and higher price tag make it harder to justify unless you need that level of durability.
To Summarize
I’ve run all four of these scopes at the range and in the field. The Sightron SIII 6-24×50 hits the sweet spot between performance and weight.
The tracking is dead-on accurate, and the glass clarity competes with scopes costing hundreds more.
If you’re on a tight budget, get the Athlon Argos BTR Gen 2. It’s a solid performer for the money, and the FFP reticle works well for tactical applications.
The limited adjustment range bothers me for extreme long-range work, but for most hunting and competition inside 600 yards, it gets the job done.
The Vortex PST Gen II offers more features and that extra magnification, but I’d stick with the Sightron for most applications. The weight savings alone makes it better for hunting rifles, and the glass quality is just as good where it matters.
For a legitimate upgrade, the Nightforce SHV 5-20×56 is worth the extra investment if you shoot in low light conditions frequently or need absolute bombproof reliability. That 56mm objective makes a noticeable difference during those critical first and last light periods when big bucks move. The construction quality justifies the premium if your budget allows it, but the Sightron delivers 90% of the performance at a significantly better value.
Frequently asked questions
What magnification should I use for long-range shooting with the Sightron SIII 6-24×50?
For shots between 300-600 yards, I keep the scope between 12-18x. This provides enough detail to read wind and see target edges clearly without magnifying mirage too much.
At 700 yards and beyond, I crank it up to 20-24x. Lower magnification like 6-10x works better for closer shots under 200 yards where you need a wider field of view.
Does the Sightron SIII 6-24×50 hold zero after heavy recoil?
Yes, the scope maintains zero even with magnum cartridges. I’ve used it on a 6.5 Creedmoor and tested it on a friend’s .300 Win Mag without any zero shift.
The 30mm tube construction handles recoil without issues. After intentionally knocking the rifle over during testing, zero stayed consistent through multiple verification sessions.
Is the Sightron SIII 6-24×50 good for hunting?
The scope works well for open-country hunting where shots exceed 300 yards. The weight might bother backpack hunters, but for spot-and-stalk or stand hunting it’s manageable.
The second focal plane reticle stays consistent at any magnification, which helps with quick shooting. I’ve used it successfully for whitetail and the glass performs well during dawn and dusk.
What’s the eye relief like on the Sightron SIII 6-24×50?
The eye relief ranges from 3.6 to 3.8 inches and stays consistent across the magnification range. This is forgiving enough that I never got scope bite, even with hard-kicking rifles.
I can move my head slightly and still maintain a full sight picture. The generous eye box makes it easier to get behind the scope quickly from awkward shooting positions.
Can I use the Sightron SIII 6-24×50 for competitions?
Yes, this scope handles precision rifle competitions well. The turrets track accurately for dialing elevation and windage corrections.
The magnification range covers most competition distances from 100 to 1000 yards. I’ve used it in several matches and the tracking has been reliable. The weight is reasonable compared to other tactical scopes in this class.
Does the Sightron SIII 6-24×50 fog up in cold weather?
No, the nitrogen-purged tube prevents internal fogging. I tested this by leaving the rifle in my cold truck overnight, then bringing it into a warm environment.
No fogging occurred inside the tube. The exterior lenses can still get condensation like any optic, but the internal elements stay clear. This reliability matters during early morning hunts in cold conditions.
Why should you trust me
I’m Richard Douglas, and I’ve been testing optics professionally for years as a firearms instructor and tactical advisor. My work has been featured in leading firearm publications, and I’ve consulted for manufacturers like Bushnell, Leupold, and Sightmark on optic design and functionality.
My background includes roles as a National Defense Security Consultant and extensive hands-on experience with marksmanship training. I’ve personally tested hundreds of scopes across multiple price points and applications.
Every scope I review goes through rigorous testing, from box tests and live fire sessions to durability checks and real-world hunting scenarios.
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I started Scopes Field because I wasted thousands of dollars on poor optics. Now I help you avoid the same mistakes by providing honest, tested reviews based on actual performance rather than marketing claims.
I have several Sightron SIII scopes. Some 8-32×56 on my 6mm-06, 6mm Rem AI, 338LM and an Armalite AR10. I have some 10-50×60 on my two 308s that I use for 800-1000yd matches and on a Areo Precision M5 lower/Precision Firearms 6.5 CM upper. I’ve had good luck with all of them over the years. When doing a side by side comparison with some NFs of near the same specs, in normal light, you can’t tell the difference (set up on a board clamped to a ladder). Maybe, just maybe, the NF may give you 5 -10 minutes of extra shooting time at the start or end of the day when used at max settings. I won’t pay the additional price for a NF.
I agree š
Thanks for sharing your experience with the Sightron scopes.
Thans for your help to find the right scope i have a 253 tikka i do long distance and hunting at about 50 mts to 300 mts range could you advise me on which way to go. Thank you peter. Phone number. 0427665099.