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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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Very nice for the price

by Lucho, from OR, United States Written on June 23, 2025
The sight seems sturdy and the dot is nice and small. Only hickups would be the screws that came with the optics didn't fit my slide and the battery compartment is on the under side - not too big of issues I had screws that came with the slide and changing the battery doesn't happen that often at all. Overall very nice for the price
Would recommend: Yes
Was it helpful to you? Yes | No

Not a bad red dot.

by Julian, from OR, United States Written on June 23, 2025
Not a bad red dot. I just wish the bottom of the red dot came with like a cover for extra protection.
Would recommend: Yes
Was it helpful to you? Yes | No

size matters

by desertfox, from NH, United States Written on June 23, 2025
The cut on the slide I was looking to mount was only 1.7" long and most other RMS were slightly longer. Got this mounted direct without plate. Haven't tested for function / zero hold yet. Had to use alternate screws as the ones that came with were too big/long.
Would recommend: Yes
Was it helpful to you? Yes | No

Very happy

by CJs Mommy, from MT, United States Written on June 23, 2025
Purchased February of 2022. Shipping was fast, faster then estimated by about 2 days. Mounted to the rmr cut on my PSA Dagger G19 size slide sitting on top of a poly 80 sub compact frame without issue. Initial impression was good. Glass is clear. Dot is round and little bleeding at all power levels. “Shake awake” works as it should. The biggest issue was when it came to zero. The sight did not have enough elevation. Manual says that a 1 degree shim may be required. Contacted ADE and one was shipped out fast, free of charge. Found the shim for sale elsewhere for an additional 9.00. So that was awesome of them to ship it free. Once mounted again, it zeroed right up and had no issues whatsoever. Been breaking in the pistol and have so far have about 500 rnds through it, all with the ADE raptor. Zero has held just fine and no drift. Very happy with the purchase. Only flaw is the included cover. Does not fit when sight is mounted to slide.
Would recommend: Yes
Was it helpful to you? Yes | No

Clear glass, rmr mount.

by Steven Eichhorn, from NM, United States Written on June 23, 2025
Just what I was looking for! Mounted perfectly to my slide! Bright dot!
Would recommend: Yes
Was it helpful to you? Yes | No

Great Product

by Sylvia Wetzel, from MP, United States Written on June 23, 2025
Bought for my husband and he loves it. It mounted beautifully and has held zero through 200+ rounds. He says he will be buying more for other builds. Thanks ADE
Would recommend: Yes
Was it helpful to you? Yes | No

Works great on my PCC

by s8bayer, from NM, United States Written on June 23, 2025
Clear optic. build quality looks great. I was looking for a lower-cost optic that has shake to wake. This one works great. I tested it a lot. Also has very little parallax. I tested this on a 10in steel target. Moving to the full width of the glass and top to bottom, all shots hit. The battery is on bottom. So it will need to be removed when replacing, but I felt that was a fine tradeoff for cost compared to the competitors. I don't think it will be very waterproof. The bottom panel is just squeezed between the optic and the mount. There really isn't a seal. There is a batter pad that might seal, but probably not much. I do think it will be fine in rain. So I am not really concerned about that.

I have at least 200 rounds and running great! I would recommend the Raptor. I think it is a great value.
Would recommend: Yes
Was it helpful to you? Yes | No

first one owned

by Roland, Verified Owner from MN, United States Written on May 17, 2025
at first it was a wonderfull sight, big viewing window, good controls, ajusted with ease, but then the dot wanted to go out now and then when I was shooting. tightened up the battery connections, but it still would go out every so often. tried new battery, did not help. this is a sample of one, so I reserve my recomedation until later, otherwise this would have been a nice dot sight.
Would recommend: No
Was it helpful to you? Yes | No

Clear glass, rmr mount.

by Steven Eichhorn, from NY, United States Written on October 15, 2024
Just what I was looking for! Mounted perfectly to my slide! Bright dot!
Would recommend: Yes
Was it helpful to you? Yes | No

Great Product

by Sylvia Wetzel, from GA, United States Written on October 11, 2024
Bought for my husband and he loves it. It mounted beautifully and has held zero through 200+ rounds. He says he will be buying more for other builds. Thanks ADE
Would recommend: Yes
Was it helpful to you? Yes | No
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