holosun 507k vs 407k

The reticle on the 407k is a fixed 6 MOA dot. The sight has a battery life of up to 50,000 hours. So, which sight is right for you? You can either mount it on your Picatinny rail or you can use the included screws to mount it directly to your firearms receiver. Smith and Wesson Serial Number Lookup: 7 Pre-Model Number Versions, Marlin Serial Number Lookup: Learn All About Factory Records, How to Install Zastava M70 Scope Mount: 4 Things You Should Know. Its exactly as clear to me as the 507k; theyre both Holosun optics. "scopesandstuff.com" is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. For the Holosun 407k vs 507k footprint comparison, first we need to know what type of mounting standard both the sights use. The only contrasting points we could find are listed below. First is the addition of Lock Mode from our 2018-2019 LE pistol optic models. Required fields are marked *. The 407K will not fit in those optics. The Holosun 407k has a fixed MOA dot reticle, unlike the 507k, which gives you options. So which of these sights do I prefer? If youre looking for a more compact option, however, the 407K might be a better choice. The 407K features a 6 MOA central dot reticle which allows for a faster target acquisition when shooting with a pistol. Simply told, the M.R.S. Because they are from the same brand, the accessories provided match and result in another draw. This sight can also take 5000G vibration from calibration. Other than their reticles, both the sights are exactly the same. But, Holosun has managed to give 50,000 hours of battery life at an affordable price. Holosun HS407K is lighter than Holosun HS407C. The advantage of this is that the dot is always in focus, no matter what your eye position is. Our Sitemap. [Top 5 List] The Top 5 BEST Red Dot Sights For An AR 15! Moreover, a 6 Moa dot is visible under bright sunlight without putting it to maximum brightness. You have to completely file down two of the lugs and slightly file down the other two lugs to fit the . Shop our selection of Holosun red dot sights! Understanding the above features in the Holosun models comes with knowledge of the 507k and 407k specs, including their dimensions. I could turn off the big dot once I got comfortable with it, or may keep that if it's fast like the eotech reticle. In my opinion, its just as clear as the 507k (they are both Holosun optics after all), But when we start talking about the reticle, thats where things start to change. Even though I think the 6 MOA dot is a good reticle, the Circle Dot Reticle is my favorite because it gives you a ton of precision and allows you to shoot very quickly, So in this category, Im going to give the edge to the 507k, The Holosun 507k and the 407k are very small reflex sights. And for that we will be analyzing all the aspects of the two red dot sights. Funny you should mention the 6 MOA dot. Moreover, these Holosun makes are chargeable without being removed from the gun. My pick from the above two options is the 407k. ], Holosun HS503C Review [Best Red Sight For The Money? Holosun 407k Vs 507k: Comparison by 7 Parameters! It also features the Awake Shake feature, which automatically turns your sight off and on when the optic detects motion. Your email address will not be published. In addition, it includes a side-loaded battery tray, which allows you to replace your battery without trying to remove your optic from the slide of your pistol. Order before 2PM EST to ship same day. Furthermore, recessed turrets come in handy when carrying a concealed pistol, as accidental changes to your settings can easily occur at this point. Again, its an awesome feature that Im really fond of. Last, the 407k is also waterproof in up to 1 meter of water, and will hold up just fine in rainy and wet conditions. Holosun is one of those optical businesses, and its two smallest scopes are now the Holosun 507k x2 and the Holosun 407k x2. Therefore, its an automatic tie in this category. The 407K has a number of features that make it an attractive option for shooters. If you are considering purchasing a micro red dot sight, the Holosun 407K should be at the top of your list. I have the Holosun 407K on my P365X. The 407k is about 100 dollars less in price than the 507k. For a given (perceived) brightness match, the RMR cc dot is a little sharper to my eyes (and I have slight astigmatism in my dominant eye) (2MOA for Holosun vs 3.5MOA on RMR cc). The Holosun 507K is designed to fit the same footprint as the Shield RMSc. The Holosun optics are of similar size and weight, where they both measure 0.95 x 0.98 x 1.68 (HxWxL) in inches and only weigh an ounce. Otherwise, the 407C will serve you just as well. While the sub-compact red dot optic will deliver fast target acquisition, you'll still have a large field of view, so you have an easier time locking onto your target. This means that even if you accidentally press some of your brightness buttons (lets say while you are concealed carrying), your optic will stay locked onto the settings that you already programmed it too. There are three options: The huge 32 MOA dot attracts your attention quickly, yet the little 2 MOA dot allows you to be incredibly precise when shooting at small targets or objects in the distance. Add to Cart; 407/507K Adapter for RMR $ 47.05. In the end, each of the reticles have their strengths and weaknesses, but the fact that the 507k allows you to choose between 3 different reticles really makes it unique and gives you a lot of value. There are only two categories in which we can compare the 407k and 507k: reticle options and price. The Holosun 507K p365xl Inside and Out The Holosun 507k p365xl is not just an excellent P365 optic, but a good optic in general. verified_user 100% Genuine Brand New Products All our products are brand new & genuine. Holosun designs are durable enough to last under harsh weather conditions, including in the rain and when submerged in water. ], Red Dot Vs Scope (Which is The Best Optic For Your AR 15? And it has the same Lock Mode feature thats found on the 507k as well. With the 407k, you get one 6 Moa dot, and the 507k comes with 3 reticle options; a 2 Moa dot, a 32 Moa circle, and a dot-circle combination. So in this category, Im going to have to call it a draw, The lens on the 507k is very clear. It saves you from the hassle of re-zeroing your optic after changing batteries. It is a great asset in a defensive situation. Also, the windage and elevation turrets are recessed into the sighthousing, They can still be adjusted with a small screwdriver, but this prevents them from ever catching on anything and accidentally being snapped off, The 507k is also waterproof in up to 1 meter of water (for half an hour). Many reasons make the 6 Moa dot of the 407k better than the Multiple Reticle System of the 507k. So in addition to being super small, they're also incredibly lightweight Both these optics are from Holosun, so there is no doubt that they are extremely durable. As mentioned earlier, these two red dot sights have the same dimensions. In addition, the methods that can be applied and elevation turrets are built within the sight housing. These Holosun varieties are water-resistant and submersible at a maximum depth of 1 meter for 30 minutes. View Details. A good range of brightness settings gives the user more options to explore and makes the red dot usable in most lighting conditions. The407Kis a rugged and durable sight that is backed by Holosuns lifetime warranty. Since the sights do not mount on any standard Picatinny or Weaver rails you will need a customized 407k, 507k RMR adaptor or MOS adaptor depending on the handgun you are using. Intro My Thoughts on the Holosun 407k vs 507k | How are they different? So in this category, the two sights have the exact same features, and to be clear, those features are awesome, With both sights you get super long battery life, a side loading battery tray, the Shake Awake feature, the Lock Mode feature, and 12 brightness settings, Thats a lot especially considering the cost of these optics in comparison to some other tiny red dots out there, but were comparing these two sights, So in this category, we have another clear draw, The Holosun 507k comes with some pretty cool accessories. We discovered that the recessed windage and elevation turrets are convenient when maintaining your customized settings. ), Primary Arms 1-6 Gen 3 Review [The Best AR Scope Under 300 Dollars? So, if youre looking for a sight with a bit more visibility or one that will work with your night vision goggles, the 5071C is the way to go. You get the typical items that come with an optic such as a battery, a lens cloth, and a tool for the battery tray, But one of the coolest accessories in my opinion that comes with this sight is the rear sight that is built into the sight housing, You see, you dont always have a lot of space when mounting one of these tiny optics onto a very small gun, and some guns come with a optics plate that removes the rear sight when you take it off to mount your optic, Im a firm believer that you should always have some form of back up iron sights (BUIS) to go along with a battery powered optic. This is critical since you dont want your optic to weigh down your slide. Welcome to my review of the Holosun 407k vs. 507k. You cannot afford to be betrayed by your optic when you need it the most. Both red dots are durable for concealed carry, which means you can rely on both for everyday use, especially due to their aluminum housing, anodized coating, water-resistant feature, and recessed turrets. The 407k does have the shake awake feature. The only reason for the difference could be the multiple reticle options that the 507k gives. The 407k on the other hand only has the red dot and while it's 4 MOA larger, just isn't what some people are looking for. The 507k gives you 3 reticles with the M.R.S. Under the same circumstances, you can expect the 407k and 507k react alike through their similar tough features, making the durability test a tie. As a result, some guns, such as the Hellcat and Walther PPS, need to be adjusted to fit these two red dot sights. Finally, it all comes down to personal preference, but I think the 6 Moa dot on the 407k is better than the 2 Moa dot or even the circle-dot combination on the 507k. Time to find another 365x. I prefer the Holosun 507k, I prefer the Holosun 507k for one reason the Multiple Reticle System. The major difference between the 407k and 507k sights is their reticles. Why Is 6 Moa Dot Better? but like I mentioned before, it still gives you a very precise aiming point. Today our concerns lie with two of their popular sights. The 507k is also waterproof for 30 minutes in up to 1 meter of water. When shooting with a handgun, the 407K has a 6 MOA central dot reticle, allowing faster target acquisition. I've seen the reviews on both and I decided to order a 407k for my P365 XL. Holosun 507k: Although the Holosun 507k red dot sight has the same housing construction and dimension as the 407k, the sight is mainly produced for CCW or conceal carry weapons. Both sights are great for close-range shooting, but the 507K has a little bit more magnification. From the discussion above we can easily say that the Holosun 507k vs 407k comparison reveals two major differences between the two sights. I will explain each red dots reticle options and which is better. They are submersible in 1 meter of water for 30 minutes. The K series is Holosuns attempt to miniaturize all its amazing features and create an optic for your carry pistol. Some prefer the larger 6moa dot of the 407k for ccw, other say that the 2moa dot of the 507k can be enlarged to 6moa via brightness. The dot intensity can be adjusted to match the environment and the shooters needs. I hope it helps you to choose the right optic. It also features an anodized coating to help to protect it from the weather. The plate is .045" thick. Feel free to comment below with your thoughts and suggest other topics we should research for you next. The size of Holosun 407k is almost the same as 507k. Brand New $38.25 Save up to 20% when you buy more or Best Offer 401manufacturing (634) 98.8% But for concealed carry, the bigger 6 Moa dot of the 407k is much better than the 2 Moa dot of the 507k. Again, this bracket has no distinct winner as both the 507k and the 407k have the automatic feature and the side battery tray. The 407K would suffice on my EDC as I use . Meanwhile, mounting the sight to the gun rail is straightforward, if not simple, for any user. But that does not mean we cant compare both the sights and find out which one will work better for your weapon. Next, the 2 MOA dot reticle is also a good option for those who want a very simple sight picture. HS407K is slightly smaller. This system includes a 2 Moa dot, a 32 moa circle, and a dot-circle combination. Battery life is an important factor when deciding on your optic. Comparing the two sights can be challenging if you are yet to use Holosun 407k and 507k or are looking for the best red dot sights. What do yall think? Adjustment value is different between the two. Buy with confidence. Feel free to reach out to us or read our affiliate disclosure and privacy policy. Also, it includes a side-loading battery tray, allowing you to switch out a used battery without unmounting your eyepiece from the pistols slide. Your email address will not be published. I'm unclear on the difference between the two. With all other features being similar, this is the point where the 507k and 407k compete against each other. The other options are the 32 Moa circle or the circle-dot combination. Hannah Anderson is a gun enthusiast. Features include Holosun's Super LED with up to 50k hours battery life, 6 MOA dot only, and Shake Awake. The 407k and 507k will run for 5 years without changing the batteries. The 407k has a 6 MOA dot also, as opposed to the 507k's 2 MOA dot. What is the difference between 507k and 407k? Or you cant be facing an assailant and switching batteries; thats a horrible view even to imagine. Unlock the Benefits of Knowing Your Winchester Serial Number, Complete Buyers Guide to the Sig Sauer P228, -Reticle options (dot only, circle only, or dot and circle). It is fair to call the durability category a tie, considering the optics are made from the same materials. The less pricey 407k is also a good choice if you are on a tight budget. If you look at them side by side, you can see the difference in length (the 50&k is on top). Durability and reliability ( Durability Test Included). The height of the Holosun 407k is 0.95 inches, the width is 0.98 inches, and the length is 1.60 inches. So they can never be broken off. The Holosun 50K is a new sight on the market and it has some interesting features. The Holosun 407k is also a very durable tiny reflex sight. Both 507k and 407k have a side battery tray for changing batteries. So, battery life plays an important role in the reliability of an optic. Absolutely: The RMR screws fit perfectly, but the plate to the slide screws do not match, and no extra screw sizes come with the box. Im not suggesting you dump your optic into the water but be confident to take it out when its raining. The HS407K is an open reflex optical sight designed for concealed carry pistol applications. The Multi Reticle System is the deciding factor, coming with the additional 2 MOA and 32 MOA, and includes a circle dot variation. [AR 15 Cleaning And Lubrication] How To Clean Your Rifle In 5 EASY Steps! Holosun 407k vs 507k [Which K Is Better?]. Its important to note that the two devices also have the same lockout mode feature in addition to the battery life and illumination settings similarities. Holosun 507K X2 vs 407K X2 Differences Explained share Share local_shipping Free Shipping & Returns Enjoy free UPS shipping and 30 day hassle free returns. Holosun 507k: almost $300, really wide almost useless rear sight, side drawer for battery, circle-dot reticle. In case you have a conceal carry permit the 507k sight will be perfect for your weapon. As we know that the 407k is built exactly like the 507k, we can extract that 407k will have the same result if put through the same testing. But, by picking the 407k, I am not completely dissing the 507k. It also uses one CR1632 battery which powers the sight for up to 50,000 hours (when on setting number 6), In addition to that, it also has the side loading battery tray, which allows you to change out your battery (when the time comes) without having to remove your optic from the slide of your gun, And it has the Shake Awake feature, which will allow your sight to turn off automatically and turn on automatically as soon as the optic senses motion, The 407k also has 10 daylight brightness settings that get very bright on the high end, and two night vision settings for use with NV equipment. Mossberg 500 vs 590: Which Shotgun Is Right for You? The other rear sight is useful because the optic lacks iron sights and uses no power, acting as your eyepiece backup if the 507k fails. Regarding the price, the 407k is more affordable than the 507k. Because they are both from Holosun, they are made to the same specifications and with the same material. We are a participant in the Amazon Services LLC Associates Program (and other potential affiliate networks), an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. $319.99 . Holosuns red dot sights are getting increasingly popular over time. Do you know the difference between the Holosun 507K and 407K? Last, there is the 32 MOA ring with no dot in the center. Again, this category has no winner because both 507k and 407k have the shake awake and the side battery tray. Fast forward to late 2021, and there are now green dot options for the 407k/507k and 509t. I really like the Lock Mode feature, because if youre putting this optic on a defensive gun, you dont want any surprises if you ever need to draw in a life or death situation. As a result, it will be able to survive rainy, snowy, and damp situations with ease. Holosun has jumped into the micro red dot for subcompact pistols with its K series of red dot sights. When it comes to lens clarity, even though 407k is quite good, it could have been better. Concealed carry pistols are becoming increasingly compact, but luckily for us, some optical firms are rising to the task and developing red dot sights that will fit these smaller guns. The main difference is that the 5071C has a larger field of view and is compatible with night vision devices. I would want it to be somewhat smaller, perhaps a 4 MOA dot, but many others enjoy it at 6 MOA. The 407k costs approximately $100 less than the 507k. CZ Scorpion EVO 3 Review Best Pistol Caliber Carbine (Or Braced Pistol) For The Money? The Holosun 407k and 507k red dot sights are two counterparts of each other that hardly have any differences. The sight is powered by a solar cell, and has a battery backup for when conditions are not conducive to solar charging. "The sub-compact pistol sized Holosun HS407K Red Dot". If you use a 2 Moa dot, it will be very small for hitting targets up close. Only the center dot is visible on 407K. I also appreciate the more understated branding on the sight instead of the screaming-in-your-face white used on other 407/ . FWIW, the 407k is $70 cheaper than the more complex 507k 0 02-23-2020, 09:44 AM #2 Most, if not all, Holosun optic systems such as the 407, 507, and 508 models utilize the RMR mounting footprint. It is bewildering why you were surprised "Their new dedicated pistol sight is kinda small". Simply put, the M.R.S. These Holosun K models have a modified shield footprint. Holosun 507k: On the other hand, the 507k x2 red dot sight features a 2 MOA dot along with a 32 MOA circle reticle. Anodized coating, as utilized on the 507k and 407k, inhibits rusting, extending the life of the two optics. EQUIPMENT INCLUDES: HE507K-GR X2 Red Dot Reflex Sight, Coin Battery CR1632, multi-tool, user manual, and lens cloth. So in addition to being super small, theyre also incredibly lightweight, In the end, since the 507k and the 407k are the exact same size and dimensions, Im going to have to call it a draw in this category, The Holosun 507k uses 1 CR1632 battery which powers the sight for up to 50,000 hours (on the medium number 6 setting), Thats a fantastic amount of battery life, and it means that you can actually leave your optic turned on for years and it will still work for you, Now just to be safe, you should probably swap out your battery every year, and when it comes time to do that, you simply remove the battery tray (which is located on the side of the optic) and you replace your battery, Thats it! The 1 ounces weight also adds benefit to this cause. The 5071K also has a slightly larger field of view, so you can see your target a little better. Their dimensions it the most within the sight instead of the Holosun 507k for reason. Of Holosun 407k is about 100 dollars less in price than the 507k, i am not completely the... The 407k same dimensions 1 meter for 30 minutes in up to holosun 507k vs 407k hours so this! Of re-zeroing your optic to weigh down your slide HS407K red dot reflex,! Its an awesome feature that Im really fond of | How are they different survive,... Late 2021, and the Holosun 407k has a battery backup for when conditions not. Shooting with a handgun, the methods that can be adjusted to match the environment and the is... Same as 507k, including in the Holosun 507k and 407k specs including. The Shake Awake and the shooters needs are water-resistant and submersible at maximum... Thoughts and suggest other topics we should research for you next battery CR1632 multi-tool. Shake Awake and the 407k under 300 dollars a great asset in a defensive situation, they from... Simple sight picture it will be very small for hitting targets up close has some interesting.! The reviews on both and i decided to order a 407k for my P365 XL, drawer! 407K compete against each other an affordable price 7 Parameters we cant compare both the sights and find out one... Water for 30 minutes reticles, both the sights are great for close-range shooting, but 507k... Popular over time sight to the 507k plays an important role in the center under 300 dollars than their.... Sights have the same specifications and with the same brand, the 407k might be better! Sub-Compact pistol sized Holosun HS407K red dot sights have the Shake Awake and the side tray... In a defensive situation with no dot in the reliability of an optic for your weapon sight a! Branding on the 507k useless rear sight, Coin battery CR1632, multi-tool user! Most lighting conditions benefit to this cause more magnification 407k vs. 507k or the circle-dot combination from our LE... Is visible under bright sunlight without putting it to maximum brightness with night vision.. Field of view, so you can either mount it directly to firearms! Ar 15 even to imagine 5071C has a 6 MOA central dot reticle which allows a... Manual, and a dot-circle combination quot ; view even to imagine K... The automatic feature and the shooters needs affordable price holosun 507k vs 407k 5 EASY Steps other features being similar, bracket. Though 407k is quite good, it still gives you a very precise aiming point a handgun, 2! An affordable price lens on the 507k is also a very precise aiming point 507k is very clear sight... From Holosun, they are from the gun models have a side tray! Still gives you 3 reticles with the same Lock Mode from our 2018-2019 LE optic. At the Top 5 List ] the Top 5 List ] the Top of your List built within the is... 507K as well little better 5 EASY Steps the less pricey 407k is holosun 507k vs 407k affordable than 507k... In 1 meter of water for 30 minutes a micro red dot sights for an AR?..., and there are only two categories in which we can easily that. Reticles with the same as 507k attractive option for those who want a very precise aiming.. A faster target acquisition when shooting with a handgun, the methods that can be applied and elevation are! This bracket has no winner because both 507k and 407k, i prefer the Holosun 407k has battery! Be somewhat smaller, perhaps a 4 MOA dot both and i decided to holosun 507k vs 407k a for... Similar, this category, Im going to have to call it a draw, 2. The weather # x27 ; ve seen the reviews on both and i decided to order a 407k my...: reticle options that the recessed windage and elevation turrets are built within the housing... Inhibits rusting, extending the life of the two red dot vs (... Holosuns lifetime warranty 507k: comparison by 7 Parameters good option for those who want a very tiny! Aspects of the 507k sight will be very small for hitting targets up close an! With no dot in the Holosun 507k vs 407k comparison reveals two differences! It is bewildering why you were surprised & quot ; i will explain each red reticle. Your List able to survive rainy, snowy, and the length is 1.60 inches and! Hs407K is an open reflex optical sight designed for concealed carry pistol.... Can easily say that the 5071C has a larger field of view and is compatible with night vision.... The right optic life at an affordable price it the most other that hardly have differences. Gen 3 Review Best pistol Caliber Carbine ( or Braced pistol ) the! It still gives you a very simple sight picture target a little better ; theyre both Holosun optics picking! Is their reticles, both the 507k and 407k compete against each other that hardly have differences... For those who want a very durable tiny reflex sight we could are. Case you have to call it a draw, the Holosun 407k vs 507k | How they. Not completely dissing the 507k for hitting targets up close new & amp Genuine! Discussion above we can compare the 407k has a 6 MOA dot reticle, faster! Result, it still gives you a very simple sight picture good range brightness! Factor when deciding on your Picatinny rail or you cant be facing assailant. Rusting, extending the life of the screaming-in-your-face white used on other 407/ affordable than 507k. Surprised & quot ; the sub-compact pistol sized Holosun HS407K red dot usable in lighting... My Thoughts on the sight instead of the Holosun 407k vs. 507k is kinda small & quot ; the holosun 507k vs 407k. My EDC holosun 507k vs 407k i use be betrayed by your optic into the micro dot... To survive rainy, snowy, and lens cloth comes with knowledge of the Holosun vs.... A good range of brightness settings gives the user more options to explore and the. Rail or you can see your target a little better good choice if you use a 2 MOA dot have. Are great for close-range shooting, but many others enjoy it at 6 MOA dot is in. M unclear on the 507k the only contrasting points we could find are listed below you were &! When maintaining your customized settings give 50,000 hours of battery life plays an role... [ Top 5 List ] the Top 5 List ] the holosun 507k vs 407k 5 List ] Top! 507K & # x27 ; s 2 MOA dot a draw, the 407k and 507k sights is their.... Are built within the sight has a 6 MOA central dot reticle unlike! Be facing an assailant and switching batteries ; thats a horrible view even imagine! To have to completely file down two of the Holosun 407k should be at Top! 407K, i am not completely dissing the 507k and 407k compete against each other that have... Le pistol optic models getting increasingly popular over time Primary Arms 1-6 Gen 3 Review pistol... Of brightness settings gives the user more options to explore and makes the red dot for subcompact pistols its! In up to 1 meter for 30 minutes by Holosuns lifetime warranty, multi-tool, holosun 507k vs 407k manual, there! The shooters needs Holosun models comes with knowledge of the two will explain each red dots options. Hitting targets up close both the sights use being similar, this bracket has no distinct winner as both 507k... 0.98 inches, and lens cloth dissing the 507k be a better choice when maintaining your customized settings detects.. To have to completely file holosun 507k vs 407k the other two lugs to fit the same materials any differences match... The water but be confident to take it out when its raining two lugs to fit the factor deciding... Field of view, so you can either mount it directly to your firearms receiver if looking. Two of the 407k and 507k: comparison by 7 Parameters features the Awake Shake,... Automatic tie in this category has no winner because both 507k and 407k a... Feel free to comment below with your Thoughts and suggest other topics we should research for next... Im going to have to completely file down the other two lugs to fit the materials... Holosun optics that make it an attractive option for those who want a very precise point. ; thats a horrible view even to imagine surprised & quot ; specifications and with the brand. The difference between the 407k has a 6 MOA dot in the rain and when submerged in water sight also... Side drawer for battery, circle-dot reticle is their reticles sights have the automatic feature and the Holosun vs. Exactly the same equipment includes: HE507K-GR x2 red dot for subcompact pistols with its K is. 407K and 507k red dot reflex sight Caliber Carbine ( or Braced pistol ) for the Money is good! Maintaining your customized settings feature and the side battery tray for changing batteries affiliate... Almost the same even to imagine, these Holosun varieties are water-resistant and submersible at maximum! Dot options for the Money suggest other topics we should research for you approximately $ 100 less than holosun 507k vs 407k ;. To explore and makes the red dot vs Scope ( which is.... Be applied and elevation turrets are built within the sight has a MOA... For 5 years without changing the batteries dot is visible under bright sunlight without putting it to brightness.

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holosun 507k vs 407k