Feyachi V90 Red Dot Sight
- Objective Lens Diameter: 25 mm
- Product Style: Red Dot
- Material Type: Aluminum
- Warranty Description: 1 year
Last refreshed Jun 22, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A few buyers ran into battery contact drops or loose mount screws, so check thread locker and mount fit before relying on it for higher recoil.
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ASIN: B0FJCQ3ZNVModel: V90Category: Rifle Scopes
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Overview
A 1x25mm red dot sight with a 2 MOA reticle, shipped with two mounts that set the sight height at either 37.5mm or 23.4mm, plus 1/2 MOA windage and elevation adjustment and an IPX7 rated housing.
The listing calls the auto-sleep feature shake awake, but one reviewer with experience across several similar optics says that term is a mistranslation and that this unit still requires batteries and does not truly wake on a shake the way some competing brands do.
- 1x25mm objective, 2 MOA red dot
- Two mounts: low profile and elevated
- 1/2 MOA windage and elevation clicks
- IPX7 rated housing
Who it's for
Buyers planning to mount it on a higher-recoil centerfire rifle should weigh the mixed feedback on mount screws and battery contact first.
Pros and cons
- Ships with two mount heights included
- 1/2 MOA adjustment for finer zeroing
- Battery contact can lose connection during movement
- Mount screws arrived loose on multiple units
- Shake awake marketing claim disputed by a reviewer
Performance notes
The 25mm objective lens is sized to give an open, bright field of view, and the 1/2 MOA click adjustment allows finer zeroing than coarser optics. The auto-sleep function is meant to power down after 8 minutes of inactivity and reactivate on movement, though real-world reports on how reliably that reactivation triggers are mixed.
Specifications
| Brand | Feyachi |
|---|---|
| Model | V90 |
| Dimensions & fit | |
| Objective Lens Diameter | 25 mmlower than 85% of 309 rifle scopes |
| Construction & materials | |
| Material Type | Aluminum |
| Warranty & support | |
| Warranty Description | 1 year |
| Other details | |
| Product Style | Red Dot |
| Reticle Type | Dot |
| Item Type Name | Red Dot |
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Frequently asked questions
Does the Feyachi V90 require batteries?
Yes.
What mounts come included?
Two mounts are included, setting the sight height to either 37.5mm or 23.4mm.
Is it suited to a higher-recoil rifle?
Reviewer feedback leans more confident for airsoft or .22 use than for higher-recoil centerfire calibers.