Glock 19 Holosun 507k - In the early days after their establishment seven years ago, Holosun's optics remained firmly in the "budget" category. I think it's fair to say that in general they are not highly respected. Although some shooters liked them well, others didn't, and at first, they didn't seem like a threat to remove any tons of gun glass. However, as is often the case with companies that survive the challenges of their early years, they have made remarkable progress from their humble beginnings, and embraced some lessons learned. Holosun in 2020 are not the same as they were in 2015, and today many shooters believe in products that they would not have thought about recently. Consumers have taken notice, as have competitors, with Holosun's pistol red dots, in particular, appearing to gain market share.
I didn't make the jump to a red dot pistol until I bought a SIG Sauer P365XL earlier this year. I've carried a night vision equipped Glock 19 for years, but when trying out a friend's P365XL I was pleasantly surprised. It provided easy concealment and good storage capacity. Not long ago, I brought my mate home, and given a SIG-ready installation slide, I decided to decorate it with a red dot. Fortunately, this was around the time of SHOT 2020, and at the show, TFB reported on the upcoming Holosun. Among these were two small red pistol-slim pistols, the 407K and 507K. I decided to give Holosun a shot and placed my pre-order. After some unexpected chain disruptions caused by plague caused several months of shipping delays, my new 507K finally arrived.
Glock 19 Holosun 507k
After unboxing, I began to closely examine the unit. It was quite compact, but I was glad to see that the 0.58 x 0.77-inch viewing window didn't feel small or cramped. The aluminum housing felt solidly built, and nothing about the sight struck me as flimsy, flimsy, or expensive. Fortunately, this optic certainly gave the first impression of being well built. There were no visible defects, distortions or cracks found. I used a food scale to check the weight, and it came in at 0.9 ounces without the battery installed. Holosun's specs advertise the same, so given the CR1632 battery charge, this should be a no-brainer. Comparing the width of the sight to my gun, the shape of the frame looked perfect. Some P365 owners have used adapter plates to attach RMRs to their guns, but the versatility with these sets is important. Holosun's lack of this story was one of its selling points for me.
Fs/ft Gen 5 Glock 19 And Lots Of Goodies.
Installation was a breeze. Before long, I removed my SIG slide, backed up the two flat screws from the bottom, and replaced the cover and rear sight with a Holosun 507K. Losing the factory rear sight was not a problem as the Holosun has an integrated backup sight. The multi-reticle system, offering a choice of circle-dot, circle-only or dot-only reticles, was easy to change and I liked the flexibility it provided. The easy-to-access battery compartment is a real boon, and you don't need to remove the sight from the slide to change batteries. That said, with a battery advertised in the 50,000 hour range and a shake-to-wake feature that I like, it shouldn't chew through batteries no matter how easy it is to swap out. Holosun's website also shows other innovations, such as their Solar Failsafe technology, Super LED technology, Multilayer Coatings, and the use of Titanium components in some of their products.
Beyond the visual features, I was interested to see how adding it to my SIG would affect concealment. Would it be easier to print now, or would it push my side into an IWB holster where it never was? Testing different positions of the holster while standing, sitting, walking, driving and more showed no issues. It felt as fun to carry with the 507K as it did without, and it's much more concealable than my Glock 19 with metal sights. By every metric I tested this time, the Holosun 507K was the winner. However, the most important part of the experiment remained: shooting with it.
One common problem with red dots from some other companies is that they require you to remove the optic to change the battery. Holosun has eliminated this problem with this battery tray opener.
A local gun shop, RifleGear, recently moved to a new location that included an indoor location, so for the Holosun 507K review session, I went to try it out. Although I usually prefer outer lines with the freedom of open spaces rather than single-lane interiors, this step is fine and suits my purpose in this case. If you're in the Dallas area, check them out. Before any trip, I started my zero at home by "lollipopping" the red dot on the top of my SIG front post, as a reference for movement. This method is supported by Aaron Cowan of Sage Dynamics, who is widely regarded as one of the best experts on pistol optics. Using this as a starting point, once per session I fired my groups and made the necessary air/boost adjustments to fire them up properly. The 507K's adjustment is a .5 MOA click, which can be heard and felt well with the included Holosun tool, which you can see in the image above. The small flat head side of this tool also opens the battery tray, and the other head is a T10 Torx that fits the screws that secure the point to the gun slide. It didn't take long before the number of clicks reached two at a time, one, then none, and the 507K and P365XL worked very well together. How to adjust the focus of my eye, from controlling the two-plane sighting system to focusing through a single plane of the reticle and onto the target, everything proved more than possible. In almost no time (although I'm far from a top shooter and I can stop to do some training), I was able to produce satisfactory results with close groups and consistent results, strong hits on target.
Holosun Optic Cuts 407/507c And 508t
I expected this change to be difficult. I was prepared not to like the point, or for it to take a little longer to achieve substantive acclimatization. For over a quarter of a century, ever since I was a kid, when my dad first let me try out his old Ruger .22 revolver, when I was ready to learn from my trusty Daisy Red Ryder, I've only shot guns with iron sights. Even as an adult, during military training with an M9 or concealed carry my Glock 19 and the other pistol shooting I had done up to this point, it was all metal. From body mechanics, sighting/taking aim, and all the things that make up a successful shot, I thought retraining would be a difficult task. Although there is still progress to be made, I am very happy to say that the first few steps of this journey have been much easier than I imagined. I honestly believe that a good part of the credit for this goes to the amazing quality of the Holosun 507K. While no kit is going to be perfect for everyone and you can screw up even the best equipment, in my opinion Holosun nailed this. I'm definitely keeping it on my EDC gun for the foreseeable future.
All in all, for me personally the Holosun 507K is the real "go to" so far, and I hope it holds up well over time.
My only two questions at this point are: 1. will it hold up over time with thousands of teams fired and prove to be strong enough in the long run, and 2. because new reds keep popping up (
It turns out I'm not alone, as Trijicon announced its RMRcc between the time of this article's writing and its publication) will the 507K find itself overtaken by a new competitor in the near future? Both of these could be problems down the road, and only time will tell. Until/unless we get to that point, I can definitely recommend the Holosun 507K without reservation. Considering the RMRcc has to be removed to change the batteries like its older brother, it doesn't have Holosun features (like many reticle options), uses a proprietary foot that requires a separate mount, and is more expensive, I still think. it's likely that the 507K now retains the edge. Ultimately, in my opinion, the 507K is a well-designed feature unit that does exactly what you want and is good value for your money.
Duty Package For All Glock Models
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