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SYEYYDS

551 Holographic Sight,Tactical Metal Green & Red Dot Sight Scope,Outdoors Sports Bright Optics Reflex Sight for Accessories Fit 20mm Rail Mount

  • Based on 20 reviews
Condition: New
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$43.99 Why this price?
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Availability: Only 6 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, May 6
Order within 2 hours and 37 minutes
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Features

  • Exquisite Technology: Multi-layer coated lenses and the latest design techniques are used to ensure a clear vision and shoot the aim without any shaking.
  • Superior Material:equipped with shockproof and weatherproof materials, as well as metal frame, which will guarantee the sight can be used in severe environment.
  • Easy to Use: the reticle color can be changed into red or green dot with one switch. There are 10 levels of brightness settings.
  • Compact design: more space reserved for your rails, easy to use with magnifiers.
  • Versatility: The sight is suitable for any 20mm tactical rails.

Brand: SYEYYDS


Color: Black


Style: holosight


Sport: Airsoft


Material: Aluminum


Objective Lens Diameter: 8 Millimeters


Compatible Devices: Rifle


Mounting Type: Picatinny Mount


Night vision: No


Field Of View: 146.3 Feet


Brand: ‎SYEYYDS


Color: ‎Black


Style: ‎holosight


Sport: ‎Airsoft


Material: ‎Aluminum


Objective Lens Diameter: ‎8 Millimeters


Compatible Devices: ‎Rifle


Mounting Type: ‎Picatinny Mount


Night vision: ‎No


Field Of View: ‎146.3 Feet


Model Name: ‎GG551-


Manufacturer: ‎SYEYYDS GG


Reticle Type: ‎Dot


UPC: ‎718387790826


Item Package Dimensions L x W x H: ‎5.75 x 4.17 x 3.03 inches


Package Weight: ‎0.34 Kilograms


Brand Name: ‎SYEYYDS


Warranty Description: ‎no


Suggested Users: ‎unisex-adult


Included Components: ‎Scope*1 Cleaning cloth*1 User Manual*1


Date First Available: May 24, 2024


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Solid optic!
it’s a solid heavy weight optic
Reviewed in the United States on January 29, 2026 by Devon Dunn
    • Good red dot not holographic
Good red dot
Reviewed in the United States on March 12, 2026 by Albert M. Kwan
    • holds sight really well
would have given 5 stars but its a little bulky
Reviewed in the United States on October 28, 2024 by devin
    • Wet
Not good buy showed up damaged
Reviewed in the United States on March 6, 2026 by Harley Roberts
    • Best red/green dot I’ve own.
The 551 Tactical Red Green Dot Holographic Sight is an absolute game-changer for airsoft tournaments! This optic fits perfectly on my 20mm rail mount and provides crystal-clear targeting with both red and green dot options. The reflex sight allows for quick target acquisition, which is crucial in fast-paced airsoft scenarios. It holds zero perfectly, even after intense gameplay, and the durable build is perfect for outdoor use. Whether you’re in close-quarters combat or engaging from a distance, this sight gives you a tactical edge, improving accuracy and speed in the field. If you’re serious about airsoft and looking to dominate your next tournament, this sight is a must-have accessory! ... show more
Reviewed in the United States on October 7, 2024 by Isaac M.
    • Gun sight
Works amazing fits on perfect to any rails
Reviewed in the United States on December 20, 2025 by Roman Smith
    • My son loves it
Great for air-soft. Quality isn’t good enough for an actual weapon.
Reviewed in the United States on August 8, 2025 by Jeff vescera
    • Very nice site
This is a very bright little site that is easy to use. It is very stable on top of the real its quality, and it maintains a very good accuracy after being dialed in. Say this is just as good as any of its namebrand competitors at a fraction of the price.
Reviewed in the United States on August 26, 2024 by Firefighter355

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