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  • Post last modified:January 9, 2024

Here are the 3 best Sig P322 red dot sights that are compatible right out of the box. I've used these new red dot sights, and all of them feature long battery life and intuitive technology to improve user experience.

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Sig Romeo Zero Elite

romeo zero elite

If you're like me and you own a Sig P322, you might be looking for a Sig Sauer branded red dot sight with the RMSc footprint, but you don't want to break the bank with a price tag over $300. So, if you're in the market for an affordable yet high-quality red dot sight for your Sig P322, after using the optic for so many years, I think the Sig Romeo Zero Elite is definitely worth considering.

I highly recommend the Sig ROMEO Zero red dot sight for anyone looking for an excellent red dot for Sig P322. Let me share some of the pros and cons of this sight from my perspective:

One major advantage is its impressive impact resistance. The shroud design provides exceptional protection for the polymer frame underneath, ensuring durability and longevity.

The new glass lens is another significant improvement that I've noticed. Its aspherical design eliminates any distortion at the edges, which is a common issue with polymer lenses. This feature enhances the overall clarity and accuracy of your sight picture.

I particularly love the touch activation feature, known as TAP (Touch Activated Programming). It's a game-changer for those of us with larger hands. Adjusting the brightness is now hassle-free, without the need to fumble with small buttons.

Despite its robust build, I'm genuinely amazed at how lightweight this optic feels, even with the added metal shroud. It won't weigh you down during extended use, which is a huge plus.

Furthermore, the Sig ROMEO Zero offers versatile reticle options. You can choose between a single dot or a 32 MOA ring dot. Personally, I find the dot reticle to be more than sufficient for my needs.

However, it's essential to consider some potential downsides. While the ROMEO Zero is an excellent sight, it may not be the most budget-friendly option on the market. Additionally, some users might prefer a wider field of view, which this sight doesn't provide.

holosun507 k x2 unboxing inside

I've had the pleasure of using the Holosun HS507K X2 micro red dot sight, and let me tell you, it's hands down one of the most popular choices for RMSc footprint pistols, especially for the Sig P322. Here's my authentic feedback with the pros and cons:

P365XL with holosun 507k x2 pov

First and foremost, I can't emphasize enough how fast target acquisition is with the HS507K. Even though I consider myself a pretty good shot, the single dot on this optic provides more than adequate aiming performance. I've used it for shooting at bowling pins, cans, and steel plates, and it's been incredibly reliable in getting me on target quickly.

holosun 507k x2 side view

One feature that I absolutely love is the Holosun ShakeAwake technology. It's ingenious. The red dot reticle instantly activates upon the slightest touch of my finger, and when I leave it alone, it goes into sleep mode to conserve battery life. Speaking of which, it runs on a CR1632 battery, which is great for long-lasting power.

Now, let's talk about its durability. The HS507K has proven itself on heavier recoil guns, so there's absolutely no problem when shooting with 22 LR on the Sig P322. It's reassuring to know that it can handle the recoil without any issues.

holosun 507k x2 front lens

One standout advantage, in my opinion, is the simple battery change process. Unlike some optics where you need to remove the sight and re-zero it after a battery change, with the HS507K, I can access the battery from the side tray. It's a hassle-free process that saves time and effort.

However, it's essential to consider a couple of potential drawbacks. While the HS507K is undoubtedly a fantastic optic, it may not be the most budget-friendly option on the market. Additionally, some users might prefer a larger field of view, which this sight doesn't offer.

swampfox red dot sentinel side view

I've had the opportunity to use the Swampfox Sentinel, and I must say it's a top-selling RMSc red dot sight that pairs exceptionally well with the Sig P322. Let me share my personal take on its pros and cons:

First and foremost, I'm impressed with its durable 7075 T6 aluminum body. The fact that it mounts directly onto the P322 slide without any need for modifications is a big plus for me.

swampfox red dot sentinel unpackaging

One standout feature is its slim body design, reminiscent of the 507K X2. It's not only durable but also perfect for reliable duty carry. What sets it apart is the slim lens hood profile, which not only enhances its aesthetics but also ensures a sleeker and less obtrusive appearance.

For added protection, the Sentinel comes with the IRONSLIDES SHIELD. This feature is a lifesaver, as it adds an extra layer of protection to the lens hood, guarding against impacts from barricade racking, drops, and other physical shocks. It's a great reassurance to have when you're out in the field.

swampfox red dot sentinel moa elevation turret

I've found the low-profile lens hood to be a game-changer. Aiming with both eyes open feels much cleaner compared to optics with thick glass frames. It provides better situational awareness, which is crucial in fast-paced scenarios.

swampfox sentinel red dot indoor

Now, let's talk about the two models available: manual and auto. The Sentinel-M, the manual version, is my personal preference, especially for indoor low-light use. It does a fantastic job of maintaining consistent red dot brightness, which I find extremely valuable.

The auto model, on the other hand, adjusts the dot brightness based on ambient lighting conditions using a photosensitive sensor. While this can be convenient, I still highly recommend going for the manual model if you want more control over the red dot's brightness, especially in situations where lighting can vary significantly.