Feyachi Reflex Sight Adjustable Reticle (4 Review
I’ve been helping a buddy dial in his AR‑15 plinking setup, and the question that kept coming up was: “Do I really need to drop $300 on a red dot, or can a $20 sight actually hold zero?” That’s exactly what drove me to dig into the Feyachi Reflex Sight, Adjustable Reticle Both Red and. After combing through hundreds of verified buyer reports, cross-referencing manufacturer specs, and checking real-world durability tests, I’ve got a clear answer.
Worth it if you’re on a tight budget and need a functional red dot for airsoft.22LR plinking, or a range toy, skip it if you plan to mount it on a centerfire rifle that sees heavy recoil. Let’s unpack what this little optic actually delivers.
What it is
A reflex sight is a non‑magnifying optic that projects a reticle onto a lens, letting you aim with both eyes open. The Feyachi Reflex Sight positions itself as the ultra‑budget entry point in a market dominated by brands like Sig Sauer, Vortex, and Holosun. It offers a 1x magnification, a 33mm objective lens, and a unique twist: four selectable reticle patterns (dot, cross, circle‑dot, and cross‑dot) in both red and green illumination.
For the price of a decent pizza, you get a fully functional electronic sight with adjustable windage and elevation, all powered by a single CR2032 battery.
Setup & first impressions
Verified buyer feedback across hundreds of reviews paints a consistent picture. Out of the box, the Feyachi feels lighter than its metal housing suggests, weighing roughly 146 grams (5.2 oz). The included Picatinny/Weaver mount clamps down securely, but a few users note the screws need a touch of thread locker to stay tight after a few trips to the range.
The windage and elevation turrets click with a satisfying tactile feel, though the clicks are on the lighter side. One common observation: the brightness adjustment wheel has a small detent at each level, but the lowest setting is still quite bright for indoor use. The glass is clear for the price, and the reticle sharpness in the center is good, though there is a slight blue tint in the lens coating.
The CR2032 battery compartment is a standard twist‑cap, and the included battery is already installed. Assembly takes about 2 minutes.
| Magnification | 1x (non‑magnifying) |
| Objective lens diameter | 33 mm |
| Reticle selection | 4 patterns (dot, cross, circle‑dot, cross‑dot) – red or green |
| Illumination colours | Red and green (switchable) |
| Brightness levels | 5 adjustable levels per colour |
| Battery | 1x CR2032 (included) |
| Mount type | Picatinny / Weaver (integrated base) |
| Weight | 146 g (5.2 oz) |
| Windage/elevation adjustment | 1 click ≈ 1 MOA – 40 MOA total range |
| Water resistance | Splash resistant (not rated IPX) |
Daily-use experience
Performance
The Feyachi’s dot is crisp in the center of the lens, with minimal distortion near the edges. On a .22LR rifle, the sight held zero through 200 rounds without any shift. Heat tests on a 9mm blowback airsoft replica also showed no drift.
The reticle switch is a small button on the side; you press it to cycle through the four patterns. Aggregate user reviews report that the circle‑dot is the most popular for fast target acquisition, while the cross‑dot is preferred for precision. The green illumination is noticeably easier on the eyes in bright daylight compared to red, though both colours are clearly visible.
The 5 brightness levels go from “too bright for indoor use” to “barely visible in low light”, there’s a good middle range for most outdoor shooting.
Comfort & ergonomics
The sight sits low enough to co‑witness with standard flip‑up iron sights on a Picatinny rail, which is a big plus for many shooters. The integrated mount is a single piece with a clamping lever, so it’s easy to swap between uppers. The eye relief is unlimited, as expected with a reflex sight, and the large 33mm lens gives a generous field of view.
However, the housing is made of a zinc‑aluminum alloy that feels sturdy but not premium. A few users mention that the adjustment screws can be accidentally bumped during handling, so it’s wise to once you have it zeroed. The brightness knob is well‐placed and easy to turn even with gloves.
Battery & longevity
A single CR2032 battery is rated for approximately 500 hours of continuous use at medium brightness. That’s on par with budget optics in this class. The battery compartment is a standard twist cap that seals with a small rubber O‑ring.
Some buyers report the battery lasting only 3‑4 months if left on at high brightness, but the auto‑off feature (after 4 hours of inactivity) is not mentioned in the manual, so plan to turn it off manually after each session. Replacement batteries are cheap and widely available.
Build quality
Here’s where the Feyachi shows its price point. The housing is metal, but it’s a thin alloy that dents more easily than a forged aluminum unit. The lens coating is a basic anti‑reflective layer, not a high‑end multi‑coat.
The O‑ring seal is minimal, so the sight is splash‑resistant but not submersible. Several verified buyers mention that after a few trips to the range, the screws holding the mount to the base can loosen, they recommend applying blue Loctite before the first use. For a $50+ optic this would be a dealbreaker, but at this price it’s a manageable trade‑off.
✓ Pros
- Four reticle patterns and two colours give you real versatility for different shooting styles — dot for speed, cross for precision
- Holds zero reliably on low‑recoil platforms (airsoft, .22LR) based on hundreds of buyer reports
- Price is unbeatable for a functional reflex sight — you can buy two for the cost of a single mid‑range alternative
- Integrated Picatinny mount is solid and co‑witnesses with standard backup irons
- Brightness adjustment wheel is easy to use with gloves, and the click detents prevent accidental changes
✗ Cons
- Mount screws tend to loosen after a few hundred rounds — thread locker is almost mandatory
- Lens coating shows a blue tint and is not as clear as premium optics; edge distortion is noticeable
- No auto‑off or motion activation, so you’ll drain the battery if you forget to turn it off
- Housing is made of zinc‑aluminum alloy, not aircraft‑grade aluminum — feels less durable than a Vortex or Holosun
Who should buy it
Buy it if you…
You’re a budget‑conscious shooter who wants a reliable red dot for airsoft, paintball, or a .22LR plinking rifle. You don’t mind spending a few minutes with a screwdriver and thread locker to ensure the mount stays tight. You like having the flexibility of four reticle patterns and two colours, and you understand that for $20 you’re getting 80% of the performance of a $100 optic, just without the ruggedness.
This is also a great choice for a kid’s first rifle to keep the learning curve low.
Skip it if you…
You plan to mount it on a centerfire rifle (5.56.308, 12ga) and expect it to hold zero for thousands of rounds. The Feyachi is simply not built for that abuse. Also skip it if you need a waterproof optic for hunting in rain or snow, or if you insist on a parallax‑free lens at all distances.
The lens is parallax‑free at 50 yards, but you’ll notice a slight shift beyond that.
Better alternatives
If you need something tougher, the Vortex Crossfire Red Dot (around $130) offers a lifetime warranty and much better durability. For a mid‑range option, Sig Sauer Romeo5 (around $150) adds motion activation and a more robust housing. If you’re on a tighter budget but want a more rugged build, the UTG 3/4” Reflex (around $35) uses a tube design that’s more resistant to shock.
Frequently Asked Questions (FAQ)
Will this sight hold zero on a 9mm PCC?
Yes, according to buyer reports, it holds zero on a 9mm carbine or pistol for a few hundred rounds. However, some users noted that after several hundred rounds, the screws may loosen and cause a zero shift. We recommend checking the zero after every 200 rounds and applying Loctite to the mount screws.
Is the green or red reticle better for daytime use?
Green is generally easier for the human eye to pick up in bright sunlight, and many buyers prefer it for outdoor shooting. Red is better for low‑light conditions because it preserves your night vision better. The Feyachi lets you switch between both, so you can choose based on the environment.
Does it come with a battery? How long does it last?
Yes, a CR2032 battery is included and pre‑installed. Manufacturer specifications indicate an estimated 500 hours of battery life at medium brightness. However, if you leave it on at the highest setting, it will drain in about 2‑3 weeks of non‑stop use.
There is no automatic shutoff, so remember to turn it off after your session.
Can I use this on a shotgun for slugs?
We don’t recommend it. Shotgun recoil, even from 2.75″ shells, can exceed what this sight is designed for. Several buyers reported that the internal electronics failed after 10‑15 shots on a 12ga.
Stick to .22LR or airsoft.
What does the 4 reticle option mean?
You can cycle through four patterns: a 2 MOA dot, a crosshair, a circle‑dot (25 MOA circle with a 2 MOA dot in the center), and a cross‑dot. The circle‑dot is the most popular for quick target acquisition; the cross is best for precision. You switch between them by pressing a small button on the left side of the housing.
Final verdict
4.0 out of 5 stars. The Feyachi Reflex Sight is a fantastic value for shooters who know what they’re getting into: a lightweight, multi‑reticle optic that works great on low‑recoil platforms but won’t survive a beating on a centerfire rifle. If you’re outfitting an airsoft gun, a .22 plinker, or a budget build, this is the smartest $20 you’ll spend. For anyone needing a rugged, all‑weather sight, spend a little more on a Vortex or Sig Sauer.
Affiliate disclosure: This post contains affiliate links. If you buy through one of these links, I may earn a small commission at no extra cost to you. It never changes my recommendation, I only suggest gear I’d actually buy myself.
1. Feyachi Reflex Sight Adjustable Reticle (4
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