NV OS 1x23 for Glock MOS
- Handgun Scope
- 1x
- 23 mm
- Aluminum
A direct-fit MOS red dot for Glock owners who want co-witness with the factory sights rather than a raised optic sitting above them.
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How it ranks among the 24 handgun scopes we track
0 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 24 handgun scopes we track - how the scorecard works · full handgun scopes data report. Confidence: limited - limited rating history.Last refreshed Jun 22, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A red dot sight built for the Glock Modular Optic System cutout, using a 4 MOA dot on a 23mm lens. Its flat profile sits low enough on the slide to co-witness with factory iron sights rather than sit raised above them.
Because it mounts inside the slide cut instead of on a raised plate, the sight keeps a lower profile than typical red dot mounts, which is what allows co-witness with stock sights. Brightness adjusts automatically with a manual override, and the housing is aircraft aluminum. Parallax is fixed at 25 meters.
- 4 MOA red dot on a 23mm lens
- Built for direct fit to Glock MOS slides
- Automatic brightness control with override
- Parallax-free at 25 meters
Who it's for
Pistol owners running a Glock MOS-cut slide who want a low sight that co-witnesses with the factory irons. Not usable on a non-MOS slide without a separate mounting plate.
Strengths and trade-offs
Drawn from this product's published specifications.
- Co-witnesses with factory Glock MOS iron sights
- Automatic brightness with manual override
- Aircraft aluminum housing
- Compatible with night vision and thermal add-ons
- Fits Glock MOS slides only, not a universal mount
- Parallax fixed at 25 meters, not adjustable
- No rating or review data yet
Performance notes
The 4 MOA dot is a middle size, small enough for aimed shots and large enough to find quickly on the draw. Automatic brightness control tracks ambient light, with the manual override there for lighting the sensor misreads. The optic is also listed as compatible with night vision, laser, and thermal add-ons.
Specifications
| Brand | Noblex |
|---|---|
| Model | 55800 |
| Dimensions & fit | |
| Objective Lens Diameter | 23 mm |
| Item Weight | 0.9 ounces |
| Item Dimensions L x W x H | 1.9 × 1.1 × 0.9 inches |
| Construction & materials | |
| Material Type | Aluminum |
| Color | Red |
| Lens Color | Red |
| Compatibility & installation | |
| Mounting Type | Integral Mount for Glock MOS |
| Compatible Devices | Glock MOS |
| Included components | |
| Unit Count | 1 |
| Included Components | ABS standby protection cap, Noblex optics cleaning cloth, Rubber transport cap, Torx screwdriver |
| Warranty & support | |
| Warranty Description | 30 years |
| Other details | |
| Magnification Minimum | 1x |
| Reticle Type | Mil Dot |
| Sport Type | Shooting |
| Night vision | Yes |
| Field Of View | 23 Millimeters |
| Product Style | Glock MOS |
How it compares
This product against the closest alternatives we track in handgun scopes.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| NV OS 1x23 for Glock MOSThis product | - | - | 2.7 / 5 |
| Holosun EPS Full Size Series 2MOA/6MOA or 2MOA with 32MOA Circle dot OptionsBrand | 4.7 / 5 | 502 | 4.4 / 5 |
| Trijicon RMR Type 2 6.5 MOA Adjustable LED Red Dot SightTrijicon | 4.4 / 5 | 458 | 4.2 / 5 |
| NcStar 2.5X30 Pistol Scope/Blue Lens/RingNcSTAR | 4.4 / 5 | 397 | 4.2 / 5 |
| UTG 2-7X32 1" Handgun ScopeUTG | 4.3 / 5 | 322 | 4.1 / 5 |
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Questions about the Noblex 55800
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Will this sight co-witness with my stock Glock sights?
Yes, its flat design is built to sit low enough on Glock MOS slides for co-witness with the factory sights.
What dot size does it use?
A 4 MOA red LED dot.
Can it pair with night vision or a laser?
Noblex lists it as compatible with night vision, laser aiming devices, and thermal imaging.