In addition, the 507c has a rounded top on the lens shroud, which makes it less conducive to concealment. The size of the 507c is also more significant, being 1.78” long, 1.24” wide, and 1.54” tall. The 507C weighs 50% more at 1.5 ounces, and while still incredibly light, will have a more noticeable effect on handling. The 507K weighs in at a single ounce, so not only is it small, but there’s little chance of it affecting your pistol’s balance in any significant way. The 507K is 1.6” long, 0.98” wide, and 0.95” tall, which makes it the smaller of the two. They both have relatively small form factors, and light weights, however, the dimensions and the weights are different for both. This is one of the rare occasions where the sights have only a few similarities. And both the 507K and 507C feature 12 daytime brightness settings and 2 night vision-compatible settings to adapt easily to any situation. One thing to consider here is that the 507K does not have windage or elevation adjustment dials, and must be shimmed to zero.Ĭhanging the battery in either one is a breeze, thanks to a slide-out battery tray located on the side of the sight. The windage and adjustment dials for the 507C are thoughtfully recessed into the housing so that accidental adjustments are nearly impossible. Times are tough for a lot of folks right now, so we can completely understand if pricing is a factor that’s high on your list of considerations.īoth sights are incredibly easy to mount, so no worries there. This may not be a big difference to some, but for others, it can change their whole decision. With that in mind, the 507C will generally be anywhere from $10 to $20 more expensive than the 507K.

Prices on these sights fluctuate constantly, and while they generally move no more than a few bucks in either direction, no matter where you get them they will be relatively close to each other in price. In the end, we’ll lay out our recommendation for which is the better sight overall and why, knowing that either way, you’ll have the information you need to make an educated decision. This way, if you’re looking for a pistol optic but only have a few factors that really matter, you can narrow down your choices quickly. Not only will we compare them, but we’ll take a look at exactly what similarities they share as well as the major differences between them. To place them on even footing for a side-by-side comparison, we’ve done an in-depth analysis of them in 7 different categories:

Holosun 507C vs Holosun 507Kīefore we make our recommendation for the best overall sight, you should understand the major points that we’ve evaluated the sights on. Let's take a closer look at these two so that you can decide which one is right for your gun.

Glock 45 mos with holosun 507c