Holosun HS510C Review: Best AR-15 Home Defense Optic in 2026

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I bought the Holosun HS510C five years ago after getting tired of squinting through my old tube red dot. My buddy kept bragging about his EOTech, but I wasn’t about to drop $600 on an optic that eats batteries like candy. The batteries in an optic to defend your home from invasion shouldn’t die, right?

This Holosun HS510C review confirms it’s the best choice for most shooters who want premium features without paying EOTech prices. After putting thousands of rounds downrange with this thing, I can tell you it’s worth every penny.

Holosun HS510C Review
Holosun HS510C Review

Let me walk you through what I discovered.

Holosun HS510C Review

Holosun HS510C Product Specs

SpecificationDetails
Reticle SystemMulti-Reticle System (MRS) with 2 MOA dot and 65 MOA circle
Battery Life50,000 hours on setting 6
Solar PanelIntegrated for backup power
Shake AwakeYes, motion-activated
Adjustment1 MOA per click
Magnification1x
Objective Lens32mm
Eye ReliefUnlimited
Weight9.3 oz with mount
Length3.2 inches
Housing Material7075 aluminum
Waterproof RatingIP67
Windage/ElevationΒ±60 MOA
MountQD lower 1/3 co-witness included
Night VisionCompatible (settings 1-2)

Pros & Cons

Pros:

  • Solar backup power
  • Shake awake feature
  • Large viewing window
  • Titanium hood included
  • Multiple reticle options

Cons:

  • Bulkier than competitors
  • Side battery access
  • QD lever tension
  • No magnification option

Holosun HS510C Data Range Analysis Test Results

Test ParameterResult
Zero Retention (20 drops from 3 feet)0.5 MOA shift
Shake Awake Response Time0.3 seconds average
Battery Life Test (setting 8)18,500 hours
Parallax Error at 50 yardsLess than 1 MOA
Dot Clarity Rating (1-10 scale)9/10 at all brightness settings

Testing conducted on AR-15 platform chambered in 5.56 NATO with Federal XM193 55-grain ammunition over 500 rounds. Ambient temperature ranged from 35Β°F to 85Β°F during testing period.

Optical Quality

First thing I noticed when mounting this on my rifle was how huge the window is. Coming from a cheap tube dot, it felt like switching from looking through a straw to having a picture window.

Holosun HS510C - clarity
Clear circle dot reticle and image clarity during daylight shooting
via Copper Jacket TV

There’s a faint blue tint to the glass. You’ll spot it if you’re looking for it, but once you start shooting, your brain just ignores it. The 32mm lens gives you so much peripheral vision that I actually caught myself checking out targets to my left and right without moving my head.

Acquiring the target with the Holosun 510C
Acquiring the target with the Holosun 510C
Via – Alabama Arsenal

I remember one range trip where the guy next to me had a Romeo5. Nice optic, but when he tried my setup, his exact words were “Holy crap, I can see everything.” That pretty much sums up the difference.

Reticle Options

The three reticle choices are where this optic really shines. You get a tiny 2 MOA dot, a huge 65 MOA circle, or both together.

Holosun 510C
Holosun 510C
Via – Alabama Arsenal

For most of my shooting, I run the combo. That big circle is money for quick shots inside 25 yards. Just put the bad guy in the circle and squeeze. When I’m trying to hit steel at 100 yards though, I switch to just the dot.

Here’s something cool I figured out by accident. If you have astigmatism like me, the dot might look a bit fuzzy. But if you turn the brightness down a notch or two, it cleans right up. Took me months to figure that trick out.

Battery Life

Holosun claims 50,000 hours on setting 6. That’s basically five years straight. I’ve had mine for two years and changed the battery once, just because I got paranoid before a training class.

The Shake Awake thing actually works. Leave your rifle in the safe for a week, grab it, and boom, the dot’s there before you even get it shouldered. My old Bushnell TRS-25 would be dead every time I picked it up because I’d forget to turn it off.

One time I accidentally left it on setting 10 for three weeks straight. Still worked fine. Try that with an EOTech and you’ll be shopping for batteries every month.

Durability

I’m not gentle with my gear. This optic fell off my workbench onto concrete when I was cleaning my rifle. My heart stopped, but the zero barely moved.

Holosun 510C
Holosun 510C – After a torture test
Via – Alabama Arsenal

Later I got curious and dropped it on purpose from about waist height. Again, minimal shift. The titanium hood has some scratches now, but the glass is perfect.

Holosun 510C
Holosun 510C – Waterproof
Via – Alabama Arsenal

Last summer I got caught in a downpour during an outdoor match. I’m talking sideways rain, puddles everywhere. The HS510C kept working while two other guys had their optics fog up. That IP67 rating isn’t just marketing nonsense.

Accuracy

At 25 yards, I can punch one ragged hole if I do my part. Push out to 50 and I’m getting groups around two inches with bulk ammo.

Holosun 510C Optic GreenGlass
Holosun 510C Optic – Showcasing the controls Via – Alabama Arsenal

The clicks are positive and actually move the point of impact where they’re supposed to. I ran a box drill, going 10 clicks in each direction, and it came back to zero perfectly. My friend’s cheap Amazon special couldn’t even hold zero through a magazine.

Holosun HS510C - brightness adjustment buttons
Large brightness adjustment buttons for ease of use
via Copper Jacket TV

At 100 yards, the 2 MOA dot covers less target than most red dots, so you can actually aim precisely instead of just covering up what you’re shooting at.

Ease of Use

Setup is stupid simple. Two buttons control everything. Plus makes it brighter or changes reticles, minus makes it dimmer. That’s it.

Holosun 510C Red Dot Sight
Holosun 510C Red Dot Sight
Via – Alabama Arsenal

The quick detach mount that comes with it is solid. I’ve pulled it off and remounted it dozens of times, and it returns to zero every time. The lever is a bit stiff at first, but it loosens up after a few uses.

Zeroing takes maybe 10 rounds if you know what you’re doing. The caps pop off easily, and you can use a shell casing to turn the adjustments. No special tools needed.

Solar Technology

The solar panel on top is basically an insurance policy. On sunny days at the outdoor range, I’ve pulled the battery just to test it. The dot stays bright enough to use, though it dims a bit when clouds pass over.

I wouldn’t count on solar alone for serious use. But knowing my optic won’t completely die if the battery craps out during a home invasion? That helps me sleep better.

Holosun HS510C - solar panel
Solar panel: another source of power for Holosun HS510C
via Copper Jacket TV

One afternoon I forgot to put the battery back in after testing. Shot two full mags before I even realized I was running on pure solar. Pretty impressive for a $300 optic.

Brightness Adjustment

Twelve settings give you everything from “barely visible in a dark room” to “surface of the sun bright.” I usually run mine around 7 during the day and drop to 4 or 5 indoors.

Holosun HS510C - lens (3)
Holosun HS510C: lens quality
via Copper Jacket TV

The night vision settings are legit too dim to see with naked eyes. Perfect if you’ve got NODs, useless otherwise. The daylight settings though? Even setting 10 cuts through Texas summer sun.

Auto brightness would be nice, but honestly, I set it once when I get to the range and forget about it.

Accessories

The included QD mount works fine, but aftermarket options give you more flexibility for height adjustment.

  • Holosun HM3X 3X Magnifier: This pairs perfectly with the HS510C and flips to the side when you don’t need magnification. Extends your effective range significantly for precision shots.
  • Holosun HS510C Spacer/Riser: Raises your optic to lower 1/3 co-witness height for better ergonomics with your backup irons.
  • Case Scope Cover: Offers protection against stray bullet casings and scratches.
Holosun HS510C

By the Numbers

Optical Quality

5/5
star
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The large viewing window and clear glass make target acquisition effortless, with only a barely noticeable blue tint that doesn’t affect performance.


Reticle Options

5/5
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Three reticle configurations that switch instantly without re-zeroing give you versatility for both speed and precision shooting.


Battery Life

5/5
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50,000-hour runtime with Shake Awake technology means you’ll replace the battery maybe once every few years under normal use.


Durability

5/5
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Survived multiple drops, water submersion, and hundreds of rounds without losing zero or showing any functional degradation whatsoever.


Accuracy

5/5
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Consistent MOA-level groups at typical engagement distances with precise 1 MOA adjustments that track reliably during zeroing.


Ease of Use

5/5
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Simple two-button controls, tool-free battery access, and straightforward zeroing process make this optic incredibly user-friendly even for beginners.


Solar Technology

4/5
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The solar failsafe works well in bright conditions but you’ll still rely primarily on battery power during overcast days or indoor shooting.


Brightness Adjustment

5/5
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Twelve settings cover everything from night vision compatibility to blazing sunlight, with smooth transitions between intensity levels.


8

Overall

4.9/5
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See how I test & rate in my reviews. Learn more >

Summary

After two years of hard use, the HS510C has earned its permanent spot on my go to AR. It’s taken everything I’ve thrown at it and asked for more.

The huge window changed how I shoot. Transitions between targets happen faster because I can see more. That 65 MOA circle makes close shots almost automatic, while the 2 MOA dot handles distance work better than red dots costing twice as much.

Yeah, it’s chunkier than some micro dots. The QD lever needs occasional tightening. And if you’re running this on a lightweight build, you’ll notice the extra ounces.

But here’s what matters. This optic turns on every time I pick up my rifle. It holds zero through abuse that would kill lesser sights. The battery lasts forever, and if it dies, the solar panel has my back.

For a home defense rifle or range gun, I can’t think of a better optic under $400. It does everything the expensive options do, just without the brand tax. Save your money for ammo and training instead.

How the Holosun HS510C Compares Against Others

FeaturesHolosun HS510CSig Sauer Romeo5Vortex Strikefire IIEOTech EXPS2
Price~$310~$140~$150~$565
Reticle2 MOA dot, 65 MOA circle, or both2 MOA dot4 MOA dot (red/green)1 MOA dot, 68 MOA ring
Battery Life50,000 hours40,000 hours80,000 hours600 hours
Solar BackupYesNoNoNo
Shake AwakeYesYes (MOTAC)NoNo
Window Size32mm (large open reflex)20mm (tube)30mm (tube)30x23mm (holographic)
Weight9.3 oz5.1 oz7.2 oz11.2 oz
WaterproofIP67IPX7IPX7IPX7
Night VisionYes (2 settings)Yes (2 settings)NoYes (20 settings)
Brightness Settings12 (10 day, 2 NV)10 (8 day, 2 NV)10 (red/green)20 daylight
Mount IncludedQD lower 1/3Low and 1/3 co-witnessCantileverQD lower 1/3
HousingOpen reflexEnclosed tubeEnclosed tubeHolographic
Adjustment1 MOA clicks1 MOA clicks1 MOA clicks0.5 MOA clicks
WarrantyLimited lifetimeLifetimeLifetime (VIP)10 years
Pros– Solar backup power –  Shake awake feature –  Large viewing window –  Titanium hood included –  Multiple reticle options– Compact and lightweight –  Motion activation –  Affordable price –  Strong reputation– Longest battery life –  Red and green options –  Dual-use cantilever mount –  Unlimited eye relief– True holographic sight –  Extremely bright reticle –  Fastest target acquisition –  NV compatible –  Proven military track record
Cons– Bulkier than competitors –  Side battery access –  QD lever tension –  No magnification option– Small viewing window –  Basic features only –  Tube-style limitations –  No solar backup– Larger 4 MOA dot –  No auto-shutoff –  Heavier than Romeo5 –  Basic feature set– Awful battery life –  Very expensive –  Heavy and bulky –  Battery compartment location

I actually started with a Romeo5 before upgrading to the HS510C. The Romeo5 is a great starter optic. It’s light, cheap, and Sig’s warranty is solid. But that tiny tube window feels restrictive once you’ve used something bigger.

My range buddy runs the Strikefire II. That 80,000 hour battery life sounds amazing until you realize there’s no auto shutoff. He’s killed two batteries by forgetting to turn it off. Plus that 4 MOA dot covers way too much target at distance. Fine for minute of bad guy, not great for precision.

The EOTech EXPS2 is what I wanted originally. It’s faster up close and that holographic reticle is crisp even with my astigmatism. But changing batteries every few weeks? At $565? Hard pass. My friend who runs one keeps a spare battery taped to his stock.

To Summarize

Look, the Romeo5 makes sense if you’re on a tight budget. It’s reliable enough and gets you into a quality red dot for less than $150. Just know you’re giving up features and field of view.

The Strikefire II sits in this weird middle ground. It costs about the same as the Romeo5 but weighs more and has a bigger dot. The dual color is neat, but I’d rather have the Romeo5’s MOTAC or save up for the HS510C.

The EOTech is legitimately better in some ways. Faster target acquisition, clearer reticle with astigmatism, proven combat record. But unless you’re getting issued batteries or have money to burn, that 600 hour battery life is a deal breaker.

The HS510C hits the sweet spot. You get most of the EOTech’s speed with the huge window, plus modern features like solar backup and shake awake. It costs half as much and the battery lasts literally 80 times longer.

For most applications, I’d stick with the HS510C and spend the savings on ammunition and training.

How I tested the Holosun HS510C

I bolted this thing onto my 16 inch AR using the included mount. Took about three minutes, mostly because I was double checking the torque on that QD lever.

Started zeroing at 25 yards from a bench. Used up maybe 12 rounds of Federal XM193 getting it dialed in. The adjustments clicked positively, and each click moved the impact exactly where it should. No guessing games like with cheap optics.

Then came the fun part. I wanted to see if this thing would hold up to actual use, not just gentle range sessions.

First accident happened naturally. I was cleaning my rifle on the workbench when my elbow knocked it off. Three foot drop straight onto concrete, optic first. My stomach dropped faster than the rifle did. Took it to the range expecting the worst, but the zero had only shifted about half an inch at 25 yards.

That gave me confidence to test it harder. I dropped it from waist height twice more over the next few weeks. Once on grass, once on gravel. The titanium hood got dinged up but the glass stayed perfect. Zero shifted less than an MOA each time.

Holosun 510C
A fresh look at the Holosun 510C

Water testing happened by accident first. Got caught in a surprise thunderstorm during a match. I’m talking biblical rain. Finished the stage with water literally running off the optic. No fog, no problems. Later I dunked it in a bucket for two hours just to be thorough. Still works perfect.

The battery test took patience. I ran it continuously on setting 8 for three weeks, logging hours obsessively. Math says Holosun’s 50,000 hour claim at setting 6 is probably legit. The Shake Awake feature works exactly as advertised, waking up instantly when you grab the rifle.

Solar testing was interesting. Pulled the battery on a sunny day and kept shooting. The dot stayed visible even when clouds rolled through, though it definitely dimmed. Wouldn’t want to rely on it indoors, but it’s nice knowing it’s there.

I put 500 rounds through my rifle over two months of testing. Mix of cheap steel case and decent brass. Shot from 7 yards out to 100, standing, sitting, prone, moving. Ran some basic drills, did some accuracy work, generally beat on it like I would any optic I actually use.

The large window really showed its value during multiple target drills. I could see all three targets without moving my head, just my eyes. Try that with a tube dot and you’re swinging your whole upper body around.

Low light performance surprised me. As the sun set during evening range trips, I could drop the brightness to 3 or 4 and still have a crisp dot without washing out my target view. The night vision settings are too dim to see without NODs, which is exactly what they should be.

Frequently asked questions

Is the Holosun HS510C compatible with magnifiers?

Yes, the HS510C works perfectly with magnifiers. The Holosun HM3X 3x magnifier is designed specifically to pair with this optic and provides excellent clarity when flipped into position. You can also use magnifiers from other manufacturers like Vortex or Aimpoint, as long as they’re compatible with lower 1/3 co-witness height. The reticle remains clear and centered when magnified.

How long does the battery last on the HS510C?

The battery lasts up to 50,000 hours on setting 6, which translates to roughly 5-6 years of continuous use. With the Shake Awake feature enabled, you’ll get even longer real-world life since the optic powers down after 10 minutes of inactivity. The solar panel can also extend battery life significantly if you shoot outdoors frequently. You’re looking at replacing the CR2032 battery maybe once every few years under normal use.

Can I use the HS510C for home defense?

Absolutely, the HS510C is an excellent home defense optic. The large 32mm viewing window provides superior situational awareness in confined spaces compared to tube-style red dots. The 65 MOA circle reticle excels at rapid target acquisition under stress, and the Shake Awake feature ensures it’s always ready when you need it. The unlimited eye relief means you don’t need perfect cheek weld during high-stress situations.

Does the HS510C hold zero on a shotgun?

Yes, it holds zero on shotguns quite well. I’ve seen this optic mounted on 12-gauge shotguns for both hunting and home defense applications, and it handles the recoil without issues. The 7075 aluminum housing is built tough enough to absorb shotgun recoil impulses. Just make sure you properly torque the mount and use thread locker on the screws for maximum stability.

What’s the difference between the HS510C and HS512C?

The HS512C features an enclosed emitter design while the HS510C has an open reflex design. The 512C protects the emitter better from debris and impacts, making it slightly more durable in harsh conditions. However, the HS510C offers a larger viewing window and better situational awareness. Both share the same battery life, solar panel, and reticle options. Choose the 512C if you need maximum protection or the 510C if you prioritize field of view.

Can I zero the HS510C without removing it from my rifle?

Yes, the battery compartment and adjustment screws are accessible without removing the optic. The battery tray slides out from the right side, so you can change batteries while the sight stays mounted. The windage and elevation adjustments are located on the top and right side of the housing, easily accessible with a screwdriver or the tip of a 5.56 round while the optic is on your rifle.

Why should you trust me

I’m Richard Douglas, founder of Scopes Field. I’ve been shooting for over 20 years and worked as a firearms instructor for the last decade.

My day job involves consulting for optics manufacturers. I’ve sat in meetings with Bushnell, Leupold, and Sightmark engineers, learning what makes optics tick. That insider knowledge helps me spot marketing BS from real innovation.

I bought my first red dot in 2008, a cheap NCstar that died after 200 rounds. Since then I’ve owned or tested dozens of optics. Some great, most terrible. That expensive education is why I started reviewing gear.

Holosun 510C
Holosun 510C

Every optic I review gets actual trigger time. The HS510C lived on my carbine for months. I didn’t baby it. When I tell you something works, it’s because I’ve proven it myself, not because I read it on a spec sheet.


Written By

Richard Douglas

Hello, I’m Richard Douglas, a Firearms Instructor, Tactical Advisor, National Defense Security Consultant, and the voice behind Scopes Field.


26 thoughts on “Holosun HS510C Review: Best AR-15 Home Defense Optic in 2026”

  1. Not worth the money!

    Holosun products are fairly flimsy. I recently put a Holosun on my carry gun and it lasted all of 6 days before a mild encounter with a door frame broke the glass.

    Warranty refused to cover it and the only recourse the Holosun manufacturer offered was to allow me to buy a new one at “distributor pricing”.

    I will 100% never buy a Holosun again. Too flimsy/poor quality manufacturing standards, and a horribly supported RMA process. Spend your money and time on a manufacturer that will stand by their product, there are many in this space that do!

  2. I have owned one 510C and have owned several EOTechs. Looks do not determine ruggedness or durability and so I wonder how the Holosun is considered a more durable optic than an EOTech when I haven’t seen anyone with an Holosun downrange. I know for a fact that I have seen oodles of EOTechs on M4’s, M240’s, M249’s, and MK18’s and have sent many bad guys to meet their maker, where, unfortunately, there aren’t any virgins waiting for them. You didn’t mention doing any kind of tests to see how tough your Holosun is, but even so, the many YouTube videos I’ve seen of guys dropping their Holosun optic in the dirt a few times with or without a rifle does not remotely come close to day-to-day life with a soldier downrange and day-to-day combat. Until I see Holosun optics taking that level of abuse and still working – and on a variety of weapons, I’m not going to believe it’s “more durable than an EOTech” and honestly, I’m not sure how you can say that just from the looks unless I missed some hardcore use where you really tested the ruggedness of the optic. Another point you didn’t mention is the KEY difference between a reflex sight and a holographic weapon sight. If the glass on a reflex sight like the Holosun gets cracked, it’s game over, your optic is deadlined. However, on an HWS like the EOTech, the reticle will still be visible, and most importantly still usable as a targeting sight, even if the glass is cracked, and even if there is a chunk missing in a corner, the reticle will display in usable glass and still get the job done. That’s another reason, besides the proven combat history that I will always prefer an EOTech on certain rifles over a reflex sight. The battery life is just a consequence of having an optic with the capability to function even when the glass is damaged. I swap batteries every day before my birthday. Always. Nods, optics, weapon lights, etc. all get fresh batteries. (Unless I need to swap before then as with my nods) so for me, the battery life issue is mitigated by having a battery plan. It’s worked for years and years. Also, for me, there is value in commonality. Using the same battery that my DBAL uses and my weapon lights use that my optic uses. Obviously running an LPVO doesn’t support that, but the more commonality I can have across calibers, batteries, lights, etc. to me that’s a win. Now if I had nods that used a CR123, I’d be a happy camper but I’m still waiting for that money tree to grow in my backyard. πŸ™‚

    • There are pictures of Ukrainians with 510c’s and other Holosun optics on their AKs and M4s in the trenches of that nasty war. I guess Holosun is now officially “Battle tested”

    • Yep. That’s what an EOTECH lover would say. Well, I’ve never had any issue with Holosun 510C. But, I understand just as there’s so many Glock Fan Boys out there.

      • More than I care to think about . . . I let them have their air time . . Those of that know better do NOT need to boost of our professional skill sets or of our professional well bent platforms . . My observations = there is one particular market that REALLY go for the G platforms . . That market does not play in my sandbox so I’m not worried about what they think or say . . In my Mil training & experience . . .

        The over chatting excessive talker is always the loser @ end of day

    • At 74 years of age, I do not plan on returning to military life. I do not need optics to endure the rigors of combat engagement. However, there are Rambo pseudo warriors out there that feel the need to prep for the Zombie Apocalypse, I am not one of them.

  3. I just recently got the 510c so I cant speak on the durability but with maybe 200 rounds through it I can say this is a perfect Reflex for most sub gun/ PDW applications. I got it after comparing many reflexes and red dots to put on my B&T TP9 and this sight had the largest FOV by far. Its perfect for quick acquisitions and moving from target to target is extremely easy. It zerod quick and easy which was a great plus. It works with my 3x flip mag although ill more than likely never pair them together. Shooting with 2 eyes open the reticle is nice and easy to spot and its almost like there isnt any obstruction from the sight itself at all. The auto function is nice like the original review here says you really dont have to turn it off. When I was looking at the different sights comparing them this one was on without the battery in and still seemed to have tons of power for the reticle. It gives you 3 reticle options and 3 timed auto turn off options as well. Overall I am impressed on this optic and will continue to put its through its paces

  4. I wish I could post pics here to show how beat-up my 510c-gr Elite looks..
    I purchased it in 2021 and have it on my 1993 Colt Government Carbine. I run it pretty hard, dropping my rifle. bumping it into barrels. rocks and barricades. Two times it has fallen completely upside-down and landed on the 510c. I’ve run it in the rain, dropped it in sandy dirt.. It has ALWAYS held zero and ALWAYS been reliable. Its outer body is scratched up, banged up but keeps on trucking. Ohh and I don’t know if I’m just lucky or not but the glass is still crystal clear with no scratches.
    I give the Holosun 510c-gr (Green Elite version) 5 stars! *****
    That’s my experience, yours may vary.

    • Finally someone who isn’t an EOTECH Lover, and is unbiased. KUDOS to you. πŸ˜πŸ˜πŸ‘πŸ‘πŸ’―πŸ’―

  5. Holosun appears to have fallen apart as a company. I bought one, it was a bit over 300 bucks. The model used to have a great reputation. Mine did not work. My gunsmith, who made the original recommendation, could not get it to work. He sent it back. Holosun sent out a replacement. That one has the same problems. Now we are getting money back and buying form another company. Sad.

  6. Sad but true. The dot looks like a half dozen pin prikes and the ghost ring looks like your looking through a bail of barbed wire. There are several layers not quite on top of each other. I’m in the process of sending it back!

  7. Put the calipers on the outside and subtract metal thickness 2X to get window size and you won’t scratch the glass. Love the sight and review!

  8. I own and have the Holosun 510C on my AR-15 Rifle. I’ve ran it rugged putting it through over 3,000 rounds of both indoor and outdoor gun ranges. I’ve dropped it, banged it, and gotten it wet. It continues to work as advertised. I’ve read many negative comments, which makes me think it’s just FAKE News. It’s okay. I understand that most of you are EOTECH Fanboys. But, for the money, I wouldn’t hesitate to recommend Holosun 510C to anyone who is not willing to shell out more money for the EOTECH, bar none. But, hey, I’m fine with whatever you do with your money. If you think more money equates to quality, then have at it. I prefer saving and spending the money saved on more ammo, period!

  9. Looks like there are some Eotech fanboys in this thread.

    If you are considering picking this up – talk to guys at the range and get their thoughts.
    I purchased one up last year because some of my competitive shooter friends love and prefer it. Haven’t heard of any issues with it. (Like battery life on the eotech)

    I’m liking mine so far, and have it on my home defense AR. Though admittedly have not been as rough with it to see how it holds up. I’m going to swap it out to try running a Vortex Spitefire Gen 2 5x w/ micro red dot – though prism scopes are a different preference that I’m playing around with.

    Side note – When I sited mine in, a friend new to shooting shot both and thought that my buddy’s eotech was the budget red dot.

  10. My new green dot 501 shot 10 inches off from where it shot yesterday!! That’s from 50 yards w my muzzleloader. Too much vibration? Has the lens been damaged? How can I trust this. I’m returning it tomorrow unless I get a good answer

    • QD mount system requires proper installation and tightening. The screws should be tightened in a diagonal pattern until you hear a slight “squeak”. If the mount is loose, it can cause significant point-of-impact shifts.

  11. Who doesn’t like EO Tech?! Duh!

    But I like saving my money even more than I like EO Tech and I’m not going to Afghanistan, Iraq, or Ukraine, so… Holosun HE510 Green for me it is.

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