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Questions & Answers
Will this fit on a Glock 17 gen 2? I have a mounting plate for the rmr footprint?

If you have an optic cut on your slide, and it is an RMR footprint, you maybe able to use a 01 adapter plate to mount this product. Otherwise, if you do not have an optic cut at all, there are aftermarket adapters out there where you can mount on the rear sight.

by Madmartigan, Verified Owner, August 30, 2025
Will it fit Glock 20?

Yes if you have a Glock 20 MOS with an RMR optic cut, you will need an adapter plate 05. If you don't have an optic cut, there are some aftermarket adapters you can mount on your rear sight you can use instead.

by Madmartigan, Verified Owner, August 30, 2025
Customer Reviews
Helpful Positive Review
Clear solid optic by Prince of Pistoleers, June 24, 2025
This optic has been mounted on a Bersa TPR9C using a UTG Slim RDM 20 plate. I pressed out the rear sight,installed the plate,and installed the optic with no problems. Directions are well written and easy to follow. The optic was near zero when instal...
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2/2 found this helpful
Helpful Positive Review
Great Value! by yaege, June 24, 2025
Installed this sight on my Canik TP9SFX pistol ang it works Great! Very Accurate, durable. Battery life good, not like some other red dots I've tried.
1/1 found this helpful
Helpful Positive Review
Economic, great bang for the buck by yaege, June 24, 2025
Love this slim design, you could use it on a number of hand guns but it comes with a picatinny rail mount . I use this for my AR9 and works amazingly . Highly recommend
1/1 found this helpful
Helpful Positive Review
Great Value! by yaege, June 26, 2025
Great Product for a Great Price!!! Great for my PCC.
1/1 found this helpful
Helpful Positive Review
For the price, an amazing optic! by yaege, June 26, 2025
I will start by saying that this red dot sight will be reviewed by what you get for the price. Not everyone is able to or wants to drop $250-$600 on a red dot sight. The build quality is amazing, I found that the buttons are intuitive and easy to us...
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1/1 found this helpful
Helpful Positive Review
Great everyday use sight by yaege, June 26, 2025
Great sight. I have this on two handguns a Ruger SR22 and a SR9C. I carry everyday all the time and this sight once sighted in does not move. Battery life is good and is tough. For the money you can't beat it.
1/1 found this helpful
Read All 20 Reviews
Color: Black Reticle: 6 MOA Dot Illumination Color: Green Red Dot Sights-Footprint: Not Applicable

Code: 5L8-RD-DLT-RD3-012G

MPN: RD3-012G

UPC: 640978407687

List: $115.99Save 14%
$99.99

Product Info for ADE Advanced Optics RD3-012 Mini Reflex Green Dot Micro Sight

Come with Protected Cover, Adjustment wrench, Adjustment dailing plate, User Manual and Picatinny mounting plate. Additional mounting plates for hunguns sells separately. Shockproof, Fogproof and waterproof for 30 minutes under 4ft water. Feature 1 M.O.A wind age and elevation adjustments with audible click. Ade model RD3-006, RD3-009, RD3-012, RD3-013, RD3-015 are designed to fit the slide/footprint of plate made for Vortex Venom, Burris Fastfire, Meopta, Docter, Insight, Eotech MRDS. Any Plate made for those brands also fits this sight. Ade also offers RD3-011 that has same footprint for Trijicon RMR mounting plate.image

Specifications for ADE Advanced Optics RD3-012 Mini Reflex Green Dot Micro Sight:

Manufacturer: ADE Advanced Optics
Color: Black
Finish: Anodized
Fabric/Material: 6061 Aircraft Aluminum
Magnification: 1 x
Objective Lens Diameter: 26.5 mm
Reticle: 6 MOA Dot
Illumination Color: Green
Eye Relief: Unlimited
Adjustment Type: MOA
Adjustment Click Value: 1 MOA
Emitter Type: Open
Battery Type: CR1632
Shockproof: Yes
Fogproof: Yes
Length: 1.75 in
Width: 1.25 in
Height: 1.15 in
Weight: 1.05 oz
Red Dot Sights-Footprint: Not Applicable
Mount Type: Picatinny
Gun Rail: Picatinny

Features of ADE Advanced Optics RD3-012 Mini Reflex Green Dot Micro Sight

  • This is RD3-012G is GREEN DOT model, there is also a RD3-012 Red dot. The sight has multi brightness level with TWO adjustment button. One to turn bright up and one to turn down. Hold the down button for 3 secs to power off. Every time you turn on the dot it stays the same brightness level last time it was turned off
  • Fits Glock MOS System such as Gen4 17, 19, 34, 40, 41, 35 and Gen4 17, 19, 34. It does NOT fit standard glock, or glock with a aftermarket slide. If you have an aftermarket Glock slide, please ask the slide manufacturer what exact optic cut they put on their glock slide and let us know for us to confirm which red dot fits. User need to contact pistol manufacturer to obtain the optic plate for OPTIC READY handgun.
  • This ADE red dot is NOT compatible with optic plate/slide/cut for trijcon rmr/Shield/Holosun 407 type footprint. It only compatible with footprint made for Vortex Venom/Burris Fastfire type red dot plate/footprint. Top load System, no need to Remove the sight to change the Battery that requires re-sight in and waste ammo.
  • GREEN dot has multi brightness level with one adjustment button. Every time you turn on the dot it stays the same brightness level last time it was turned off
  • For Non-Optics Handgun,user need to purchase after market Optic Plate made specifically for that pistol to replace the rear sight. This Green Dot comes with a removeable Picatinny plate ONLY. 6 MOA dot. Come with Protected Cover, Adjustment wrench, Adjustment dailing plate, User Manual and Picatinny mounting plate. Additional mounting plates for hunguns sells separately

Package Contents:

  • ADE Advanced Optics RD3-012 Mini Reflex Green Dot Micro Sight
  • Picatinny Plate
  • Lens Cloth
  • Screws
  • Tools
  • Instructions
  • Rubber Cover
  • Battery

ADE Advanced Optics RD3-012 Mini Reflex Green Dot Micro Sight Orderable Models

List of Orderable Models

  • ADE Advanced Optics RD3-012 Mini Reflex Green Dot Micro Sight, 6 MOA Reticle, Black, RD3-012G , MPN: RD3-012G , UPC: 640978407687 , Code: 5L8-RD-DLT-RD3-012G
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