The Romeo Zero is a compact, lightweight polymer reflex sight with a six-MOA dot. It also has the RMSC footprint, making it compatible with most modern sub-compacts, unlike slides, which don’t have a defined footprint.
People enjoy the RMSC since it can fit on various items. However, there are many problems with this that people don’t like.
The most common issues with SIG Romeo Zero are the red dot problem, no cover plate sight issue, brightness button placement, poor build and co-witnessing issues.
I will give you the solution to these common issues in this article. Additionally, you will get authentic reviews from users as well. So, stay tuned!
Features & Specifications of SIG Romeo Zero:
| SIG Romeo Zero Specs | |
| Magnification | 1x |
| Objective Lens Diameter | 24 mm |
| Reticle | 6 MOA Red Dot |
| Weight | 0.5 Ounces |
| Length | 1.6 inches |
| Width | 0.93 inches |
| Height | 0.93 in |
| Illumination Settings | 8 daytime. |
Common SIG Romeo Zero Problems and Solutions
The owners deal with many common SIG Romeo Zero problems. Here are some of the issues and how to solve them.
Quick Overview of the Problems and Solutions
| Problem | Solution |
| Red Dot Problem | Troubleshoot battery; send to SIG. |
| No Rear Cover Plate Sight | Using notches on RDS as an alternative. |
| Brightness Button Placement | Use a 3D tool. |
| Poor Build | Use a different optic; use a cover. |
| Red Dot Doesn’t Get Low Enough (Co-witness Issues) | Troubleshoot. |
1. The Red Dot Problem:
The placement of the red dot may be confusing. Additionally, the red dot may go dim. You may also lose the red dot after a few rounds. It just seems to eat battery up like crazy!
The Fix:
The red dot appears in the upper left corner of the display when it is active. It’s location may be higher than your front sight when you zero your optic. When firing, your focus will be on the red dot rather than the front sight.
In case of the dim or loss of red dot, you may need to change the battery. Dim dot may also be fixed with brightness adjustment. If the issue persists even after changing the battery, send it to SIG. They should fix it.
However, the problems with the dor mainly occur due to the cheap quality.
2. No Rear Cover Plate Sight:
In some firearms, like the SIG P365XL, I believe the rear cover plate with sight is not included with the Zero installed. Also, you cannot buy the cover plate separately.
The Fix:
Romeo Zero and Shield RDSs include useable notches on the back of the sight. They can be used as backup rear sights. The stand-alone rear sight is fixed to the cover plate.
As SIG does not sell these, you’re kind of stuck if your RDS fails. So it might be wise to purchase them separately.
3. Brightness Button Placement:
The button is located inside the hood, directly behind the glass. It is quite challenging to press with anything other than small hands. Additionally, while you do so, your finger obscures your vision of the dot.
The Fix:
Unholstering is unavoidable if you want to modify the brightness. However, the same setting works very fine in many lit conditions, even the bright outdoors. Although, some of you might not be happy with it.
In that case, you can use a 3D modeled tool to adjust brightness. It can look like the one from the picture. This tool makes it very simple to press the button and to view the dot while doing so.
4. Poor Build:
Avoid the Romeo Zero if you frequently sit, lay, lean, etc., in positions that put a lot of pressure on the gun. Unlike the original Romeo Zero optic, the modern housing is made of plastic rather than aluminum. The lens is not very resistant to scratches either.
Keep in mind that the optic is merely plastic beyond the lens. It will certainly not hold up as well as a metal optic over time. It was intended to be lightweight and affordable. But it feels incredibly cheap and the controls are awful.
The Fix:
The Romeo Zero is designed to be a low-cost micro-optic that can be good enough for concealed carry on a tiny pistol that is nestled up against your body, under your garments, and under your belt. It was never meant for war or be “duty grade.”
I would suggest the Romeo1 Pro for that. It is a full-sized optic with an optional steel shroud for protection and an aluminum housing. Although it is still not the most durable optic available, it is good enough for the majority of use cases other than “going to war,”. A few LE agencies that use red dot optics have embraced it.
5. Red Dot Doesn’t Get Low Enough (Co-witness Issues):
The dot should get low enough to aim properly even if the physical sights are lower. But sometimes, it doesn’t go any lower than where it is. You can turn the elevation screw vigorously, but the red dot will never be low enough to co-witness.
The Fix:
To boost the point of impact when shooting low, turn the red dot up after sighting in the gun. Windage is the same. Your iron sights, when pointed towards the red dot’s point of impact, should resemble the image above after the red dot is precisely on the button. Otherwise, returns it to SIG.
You might need to change the genuine red dot. Turn the brightness far up, and move the pistol about as you look to make sure you’ve got the dot. It may be difficult to locate the dot. By simultaneously observing the iron sights, locate the dot.
User Feedback on SIG Romeo Zero
Given their problems in recent years, SIG has lacked in several areas. This regards Cohen, India MIM junk, P320 drop issues, letting end users be beta testers, etc.
Yes, people are impressed by how simple it is to use and how compact it is. However, these are disliked by a lot of individuals. You have to remove the optic to change the battery because they are plastic and perhaps not as durable as red dot cameras with metal frames. Additionally, it wouldn’t maintain zero under recoil and would shut off.
No one would bring a SIG Romeo Zero to a winter military operation in the Afghan mountains. But it can be suitable for any civilian use. However, something more substantial should be bought if engaging in a lot of competitive shooting. It also may not be suitable for a RDS for intensive training or real tactical use.
Moreover, they are put together there using cheap Chinese components. So, don’t throw your money away. The craft is a joke.
Frequently Asked Questions (FAQs)
Where to focus when shooting using the Romeo Zero?
When shooting, you will concentrate on the red dot, not the front sight.
What is the purpose of the little 3M gasket on the Romeo Zero?
It’s a barrier for the battery.
Conclusion
The main issue with the Romeo Zero is that it is made of plastic. The adjustment is also awful. The on/off button is terrible. Except for that, it functions.
This plastic problem is resolved by placing the metal covering on it. Or simply begin with one that is more dependable and made of aluminum.
Most people say Romeo Zero is not much better than the Holosun. In fact, some would say it is garbage and I agree. The SIG cannot use the same mounts as the tiny Aimpoints, which will allow a third co-witness, if I’m not mistaken.
This is why you should avoid the Romeo Zero. Stop using that lousy optic, people! Use something like the Holosun instead.
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