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Customer Reviews
Helpful Positive Review
Great, quick acquisition optic. Used in conjunction with my 4X32 ACOG-style scope, on top of my TAVOR 7 (7.62X51 NATO). Functions great and is easy to zero. Looks and works great, comes with a nice rubber cover for protection when not in use.
1/1 found this helpful
Helpful Positive Review
I'm really impressed with this optic. There is a little bit of parallax but no more than my name brand 407C which was 3x more expensive. The battery is loaded from the bottom which means that you have to remove the optic to change it. That's not a hu...
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1/1 found this helpful
Most Recent Reviews
ADE Advanced optic RD3- 019 stingray micro red dot by Walt, Verified Owner, November 28, 2025
It does not work at all. I have switched the battery’s and looked at the troubleshooting on the handbook but it still does not work. I bought a used one that said it was in “good” quality. I’m worried they will not give me a refund because it was fin...
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Most Recent Reviews
For a very inexpensive optic these are great. I have them on several 9mm pistols and they are holding up great. Overall they they have held up to about 500 rounds each individually and have not had any issues with point of impacts shifts. They have h...
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Most Recent Reviews
Solid unit with a good bright dot by TheDad, August 5, 2025
Works as described at a great price. Holds zero so far. No problems with the battery but time will tell. Easy to mount and gives you a could of options. I'm using it on a g30sf where i have a mounting plate installed. I'll probably update this review...
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Most Recent Reviews
Red dot sight by grbich, August 5, 2025
Needed a sight for my gun. Good quality & value. Puts a red dot on target. Reliable. Works great. Easy to use. Easy to install.
Read All 123 Reviews
Color:
Black
Reticle:
6 MOA Dot
Illumination Color:
Red
Condition:
New
Red Dot Sights-Footprint:
Not Applicable

Code: 5L8-RD-GERND-RD3-019

MPN: RD3-019

UPC: 640978407502

List: $135.99Save 15%
$115.99

Product Info for ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight

Designed to fit any pistol mounting plate/slide/cut that is compatible with Trijicon RMR/SRO, Holosun 407C/507C/508T red dots. Hard coated aircraft aluminum and multi-coated glass. Not plastic body with polymer lens. ADE Stingray RED dot sight is always powered on with automatic brightness. Operates with a single CR2032 3v battery. With our advanced technology the sight only draws approximate 700 microampere powers to give a very long battery life. The brightness will turn high and low accordingly to the environment brightness. Comes with screws for several Optics Ready handguns. Does not comes with any mounting plate such as picatinny mount or plate made for a specific handgun.

Specifications for ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight:

Manufacturer: ADE Advanced Optics
Color: Black
Finish: Anodized
Fabric/Material: 6061 Aircraft Aluminum
Magnification: 1 x
Objective Lens Diameter: 25.7 mm
Reticle: 6 MOA Dot
Illumination Color: Red
Eye Relief: Unlimited
Adjustment Type: MOA
Adjustment Click Value: 1 MOA
Emitter Type: Open
Battery Type: CR1632
Battery Life: 1 Year
Fogproof: Yes
Length: 1.6 in
Width: 1.1 in
Height: 0.93 in
Weight: 0.88 oz
Condition: New
Red Dot Sights-Footprint: Not Applicable
Mount Type: Picatinny
Attachment Type: Picatinny

Features of ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight

  • Ade Stingray is designed to to the smallest and lightest red dot to fit any pistol mounting plate/slide/cut that is compatible with RMR/SRO, Holosun 407C/507C/508T footprint red dots. The overall length is around 15-20% shorter than other major competitors. The shorter design allow this sight to be able to sit in to all optic cuts/plates/adapters that designed for rmr. For some optics ready pistols with a large optic cut, there will be a gap between the optic rear dot and pistol rear iron sight.
  • Ade Stingray created a iron sight curve at the end of the body, and also added two white dots on the curve. For the rear of part of the red dot to become a "back up iron sight". With the ultra short design, the red dot provides a distance/gap on some of full size optics ready pistol, to give enough distance to be a Co-Witness back up sight, in addition to the LED dot and pistol equipped iron sight.
  • For non-optics ready pistols that need to use an optic plate/adapter to replace the pistol manufacture equipped rear sight, ADE Stingray's rear white dot will acts as a pistol factory original rear sight for Co-Witness. Does NOT fit optic plate/cut made for Doctor type footprint. Comes with screws for several Optics Ready handguns. Does not comes with any mounting plate such as picatinny mount or plate made for a specific handgun.
  • ADE Stingray GREEN dot sight is always powered on with automatic brightness. Operates with a single CR2032 3v battery. With our advanced technology the sight only draws approximate 700 microampere powers to give a very long battery life. The brightness will turn high and low accordingly to the environment brightness.
  • Just like $400 RMR competitors, It does not has a on/off power button. The light turns brighter or lower automatically. If you do not use it, put the provided rubber cover on it, then the sight will be "sleeping" in a very very low power mode. Hard coated aircraft aluminum and multi-coated glass. Not plastic body with polymer lens.
  • Ade SPIKE created an iron sight curve at the end of the body, and also added two white dots on the curve. For the rear of part of the red dot to become a back up iron sight. With the ultra short design, the red dot provides a distance/gap on some full size optics ready pistols, to give enough distance to be a Co-Witness back up sight, in addition to the LED dot and pistol equipped iron sight
  • For non-optics ready pistols that need to use an optic plate/adapter to replace the pistol manufacturer equipped rear sight, ADE Stingray's rear white dot will act as a pistol factory original rear sight for Co-Witness.

Package Contents:

  • ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight
  • Lens Cloth
  • Screws
  • Tools
  • Instructions
  • Rubber Cover
  • Battery

ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight Orderable Models

List of Orderable Models

  • ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight, 6 MOA, Black, RD3-019 , MPN: RD3-019 , UPC: 640978407502 , Code: 5L8-RD-GERND-RD3-019

ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

  • USED, ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight, 6 MOA, Black, RD3-019 , MPN: RD3-019-EDEMO , Code: 5L8-RD-GERND-RD3-019-EDEMO-RE-C
  • USED ADE Advanced Optics RD3-019 Stingray Micro Red Dot Sight, 6 MOA, Black, RD3-019, EDEMO1, Used, Condition Fair , MPN: RD3-019-EDEMO1 , Code: 5L8-RD-GERND-RD3-019-EDEMO1
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