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ADE Advanced Optics RD3-020 Raptor Red Dot Sight
$149.99 $139.99 Save $10.00
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Most Helpful Negative Review Advanced Optics RD3-020
I used this sight only once, when i intiall mounted it and was in the process of zeroing it in. The red dot functioned well for several magazines through a Glock 17 however, The dot began moving upward in the dispalay window eventually settling all the way at the top. This was after approximately 30 rounds fired. I attempted to adjust the sight but the adjustment screw failed to move the dot before it eventually hit it's adjustment limit. I was not previously familiar with the ADE brand and bought this item based primarily on price. I will not replace this item with another ADE optic.
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Good Optic, Read the Footprint Carefully

by Christopher A, from OR, United States Written on July 3, 2026
The optic itself seems very well made and the dot is excellent. Unfortunately I mistakenly assumed it would fit my RMSc carry pistol.

That was completely my error since this model uses the standard RMR footprint. Once I installed it on another compatible firearm it worked perfectly. Just make sure you verify compatibility before ordering.
Would recommend: Yes
Was it helpful to you? Yes | No

Reliable After 1,500 Rounds

by Christopher A, from OR, United States Written on July 3, 2026
I waited several months before reviewing because I wanted to see how it would hold up. The optic now has approximately 1,500 rounds on my Glock clone and has maintained zero throughout.

The glass is clear with very little tint, adjustments tracked accurately during zeroing, and the aluminum housing has held up to repeated holster use. For this price range, I'm honestly impressed.
Would recommend: Yes
Was it helpful to you? Yes | No

Motion Awake Saves Battery

by David M, from MP, United States Written on July 3, 2026
I leave the optic powered on all the time because the Motion Awake system automatically puts it to sleep after a few minutes and instantly wakes it back up when the pistol moves. It's one of those features you don't realize you'll appreciate until you start using it every day.
Would recommend: Yes
Was it helpful to you? Yes | No

Excellent Window Size

by David M, from MP, United States Written on July 3, 2026
The viewing window is larger than I expected, making it much easier to acquire the dot during rapid transitions.

Brightness controls are simple, the buttons are easy to reach, and the optic has performed perfectly during multiple outdoor range trips. I'd definitely recommend it.
Would recommend: Yes
Was it helpful to you? Yes | No

Perfect Fit on My RMR Slide

by David M, from MP, United States Written on July 3, 2026
Mounted this directly onto my RMR-cut slide with no fitting required. Zeroing was quick, and after several hundred rounds it hasn't shifted at all.

The housing feels very solid, and I really appreciate that ADE includes the Picatinny mount so I can also move it to another firearm if I want.
Would recommend: Yes
Was it helpful to you? Yes | No

Tiny 2 MOA Dot Makes a Big Difference

by Brian K, from OR, United States Written on July 3, 2026
I wanted a precise 2 MOA dot for target shooting, and this optic delivered. The dot is crisp, easy to pick up, and allows much more precise aiming than the larger dots I've used before.

The Motion Awake feature works flawlessly, and the top-loading battery means I never have to remove the optic just to change the battery.
Would recommend: Yes
Was it helpful to you? Yes | No

Fast Target Acquisition

by Daniel R. Morgan, from WY, United States Written on July 2, 2026
The window is clear, the dot is easy to locate, and follow-up shots are noticeably faster than with iron sights.

Installation was simple, adjustments tracked accurately while zeroing, and everything has remained tight after multiple range sessions. I'd definitely buy another one.
Would recommend: Yes
Was it helpful to you? Yes | No

Wrong Footprint for My Pistol

by Christopher L, from OR, United States Written on July 2, 2026
The optic itself appears to be well built and the glass is very clear.

Unfortunately I ordered it assuming it would fit my RMSc-cut carry pistol. It doesn't because this model uses the standard RMR footprint. That's entirely my mistake, but buyers should verify compatibility before ordering.
Would recommend: Yes
Was it helpful to you? Yes | No

Reliable Through Heavy Use

by Christopher L, from OR, United States Written on July 2, 2026
I purposely waited several months before writing this review because I wanted to see how the optic would hold up over time.

It's currently mounted on my Shadow Systems pistol and has seen just over 2,000 rounds. The housing has held up to repeated holster draws, the glass still looks excellent, and the zero has never shifted.

The Motion Awake system is one of my favorite features. The optic goes to sleep when sitting in the safe and instantly wakes up the moment the pistol is picked up. Battery life has been outstanding because of this.

For the price, I honestly think this is one of the better RMR-footprint optics available.
Would recommend: Yes
Was it helpful to you? Yes | No

Solid Optic for Competition

by Christopher L, from OR, United States Written on July 2, 2026
I primarily use this on my range pistol for steel matches.

The larger window makes finding the dot easy, and the brightness settings are more than enough for sunny days. Four stars only because I wish the adjustment buttons had a little more tactile feedback. Otherwise, it has performed flawlessly.
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.