This ADE Trumpet is also available in Green Multi-Reticle(RD3-029 PRO/GREEN) and Blue Dot(RD3-029 BLUE) Model.
The ADE Trumpet PRO (RD3-029 ) features a 4 MOA red dot, built to seamlessly fit any pistol mounting plate, slide, or cut compatible with popular red dot footprints, including RMR/SRO and Holosun 407C/507C/508T.
The ADE Trumpet (RD3-029 BLUE) is a cutting-edge 2025 innovation, introducing the industry's first blue dot reflex sight, specifically designed for individuals with astigmatism who find traditional red or green dots challenging to use.
Equipped with a Motion Activated System, the Trumpet automatically enters sleep mode after five minutes of inactivity, conserving battery life. Upon detecting any motion or vibration, the red dot illumination instantly reactivates at the previous brightness level. Users can also manually disable this feature by turning off the red dot power.
The Trumpet PRO boasts a side-loading battery tray, eliminating the need to remove the sight for battery changes. With a battery life of up to 20,000 hours, the sight offers 7 brightness settings, including one designed specifically for use with night vision. It operates with a single CR1632 battery.
This sight is parallax-free and offers unlimited eye relief for enhanced accuracy and ease of use. Crafted from aircraft-grade aluminum with an anodized black finish and a multi-coated lens, the Trumpet ensures durability and excellent visual performance.
Included in the package:
- Tool
- User manual
- Lens cloth
- Red dot cover
- CR1632 battery
- Mounting screws
Note: Optic plate for specific firearm models is not included.
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Below are additional footprint about ADE footprints.
ADE, RD3-006 Huracan,RD3-009 Crusader,RD3-012 Delta, RD3-013 Bertrillium fit optic cut/plate that is compatible with Vortex Venom/Burris Fastfire/Doctor footprint. RD3-015 Zantitium, RD3-028 Ares fit plate(does NOT fit slide due to larger size) that is compatible with Vortex Venom/Burris Fastfire/Doctor footprint. Please note: Some aftermarket slides have a precise optic cut based on the curved edge/corner of Vortex Venom, one of the common slide manufacturers is PSA Dagger(with Doctor cut). ADE and other brand red dots do NOT have the same curve as Vortex Venom, therefore ADE RD3-006, 009, 012, 013 do NOT fit the aftermarket slide with CURVED vortex venom optic cut. ADE red dots with Doctor footprints only fit squared optic cuts that accept standard Doctor Footprints.
ADE RD3-018 Spike, RD3-021 Nuwa and RD3-030 Apollo fit optic cut/optic plate that is compatible with shield RMS/RMSC/Deltapoint Pro footprint
ADE RD3-021c NUWAcc fits optic cut/optic plate/ that is compatible with Trijicon RMRcc footprint
ADE RD3-019 Stingray RD3-020 Raptor, RD3-023 Valkyrie and RD3-029 Trumpet fit optic cut/optic plate/ that is compatible with Trijicon RMR/SRO/Holosun 407C/507C footprint
36 Reviews Hide Reviews Show Reviews
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value for money
good red dot for value, can keep zero when I shoot in range. Easy to install
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Much better fit for my 9mm
It works great and is a much better fit for my 9mm handgun. It's not as big and bulky as the one I had on it before. Easy to install too. Very pleased.
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Good size
Looks good works great.
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High quality optics
Have been looking for some time for a quality sight for my pistol. This was a great fit, works well and includes a little cover. Also makes the pistol look 10x more awesome.
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Great optic
Ordered this optic to go ontop a firearm cut for rmr. This optic and a separate plate put the optic at a good height. Followed with a boresight to put the red dot in target and this optic is ready to go. Overall, this is a great optic for a pistol.
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Great little red dot for a small pistol
Installed this on my SIG 365 and I love it. It took a bit to get the plate installed to put this on. Installed, it's bright enough and easy to find the red dot once you know where to look. I recommend this to anyone looking for a low cost alternative to the very expensive ones.
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Very nice quality red dot sight.
This red dot sight is very nice quality and built very solidly. It should be able to handle many thousands of rounds of recoil and bumps or dings easily. The buttons on the side for brightness are very positive and have a good feel. To turn on/off you have to hold button down for 3 seconds which should help with accidently turning it on and running battery down. The dot has good brightness levels for all lighting scenarios. Overall this is made by a reputable company and this is certainly a quality product.
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Nice red dot
I thought my gun was already fit to receive a red dot, but I guess I was wrong. Took it out and sure enough, I need the adapter. So I'm going to wait until I buy one that already has the cutout in the slide for it. But as for the red dot, it looks and feels great. Quality made. I can't tell you how well it would hold up in the recoil. I'll just have to wait to try that out.
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My first red dot and supremely surprised at the quality
Make sure you have the proper mount for this! Other than that, this is a surprisingly quality but budget friendly red dot. Comes in really good packaging and the instructions were really good. This is on my SIG 365 with a plate. It's bright, crisp, and has an easy system to adjust the accuracy of your site once mounted.
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Great quality for a budget friendly optic!
This really is a great entry level sight that has overall great quality that won't break the bank. It's very easy to install (if you have the right plate or adapter) and it works exactly as described. It's easy to see where you are shooting because the reticle is bright and clear. If you're new to the mini red dot sight game and aren't sure if it's for you then I would recommend starting here. You will be surprised at how much you like it!
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Shake awake and lots of features for a great price
Needed a red dot are an old g slide that I picked up. I chose this one. Here are my thoughts Pros: - robust construction - battery install from the side, no removing optic and having to re-zero - shake awake is always nice - nice red dot, crisp and easy Cons - the included screws were too soft and started to strip Overall this is a great red dot. Cheap, well made and I love a side battery tray! Perfect for your build!
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Nice Red dot
I got this red dot to attach to my 9 mm handgun. It worked very well. Just make sure that your handgun is compatible with this type of red dot. The red dot is self is very high-quality. It seems very durable and it attaches to the handgun very tightly. The red dot itself is very bright and easy to see. I use the boresight to sight in the red dot and the red dot is very accurate now. It was easy to adjust and I am very happy with this product. Overall, I recommend it to anyone who’s been needing a red dot. It is great quality and won’t disappoint. I think it looks great on my gun and I look forward to using it more and more.
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great for subcompact/compact pistols; 5 minute auto shut off with shake awake
This sight is compatible with RMR footprint. The sight is made for a subcompact to compact pistol. It does have the shake awake function and shuts off after five minutes of inactivity. Seven brightness settings are adjustable by the buttons on the side fairly easily. The red dot is 4 MOA. The side load battery tray allows battery changes without removing the sight. It also has backup rear sights in case the battery dies which is ideal. The overall sight is also fairly lightweight which is nice. Overall, the sight is very good quality, easy to mount, and easy to use.
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An excellent value for pistol caliber platforms
This red dot optic is easy to operate, was easy to set up and held zero through two hundred rounds fired through a Kris Vector 9mm carbine. The dot is very small, probably more appropriate for an actual pistol as opposed to a carbine, BUT it does have a place on those platforms when mounted on a 45 degree offset in case you prefer to save rail space on top for a longer range optic. For quick target acquisition these small red dot are almpost unbeatable. Brightness setting were adequate even in direct sunlight. The dot did not distort regardless of intensity setting. 5 stars. These optics are finally starting to come down in price!
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Very Small Form Factor. Well Executed Design. Shake Awake. An Average Value.
Overall: 5/5 This is a really small red dot – even by pistol standards. I like the design, the battery (CR1632) accessibility, and the functionality. The dot it bright and the controls are intuitive. Love shake awake no matter what it’s on. It comes with a cover, a screwdriver, attachment screws, a lens wipe, and instructions. Although they say parallax free (as do many manufacturers) there seems to be some in the near range – a somewhat common issue for red dots when sighted at close ranges. It will take a range trip to confirm or deny that completely. Be aware, the included instructions note that this is only designed for recoil up to .45. For now, presumptively going with 5 of 5 based on everything I can see and touch along with my previous experience with products from this manufacturer. Quality: 5/5 Well made with no noticeable flaws. Value: 4/5 An average value, durability, design features, performance, and comps.
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Nice little optical
I had never really considered using an optical on my handguns especially because of the difficulty in finding holsters that are optic friendly but...times change. I bought this for one of my Springfields, though it can be used on any optic ready or optic retrofit handgun. I got lucky and had the rail mount for the gun already so I was able to mount this pretty easily. It's meant to be used on a variety of gun rails (you can read the description for a list). It was easy to use - two button, long press to turn on, short presses on lighter or darker. I was happy to see that the battery access was on the side of the optic and not underneath. Most of the ones I've used require you to dismount the optic before changing the battery.
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Functions Perfectly – design allows almost instant site picture acquisition- "unlimited" eye relief
Functions Perfectly – Open design allows almost instant site picture acquisition- "unlimited" eye relief Unfortunately, or fortunately, we are living in the midst of a rapid evolution of types of “optics ready” pistol slides with a plethora of proprietary mounting systems. You must be careful that you match your “FOOTPRINT TYPE”. This is a so called “RDR” sight but it has the proprietary “SRO” or “Holosun 407C/507C/508T” footprint mounting system. I really like the very useful automatic off and “motion activated” feature. The manufacturer has high Quality Control standards because the parts were flawless. The windage and elevation adjustments operate smoothly and stay put. The mechanical and optical engineers were really thinking and they designed a great sight. I have a severe eye vision problem called “an astigmatism”. My Cornea is distorted and that distortion distorts point images and makes the point image appear as a smear. I did not understand this phenomenon when I got my first tube enclosed Red Dot scope. To me the Red Dot appeared as an hourglass instead of the perfectly round Red Dot it should have been. So, I sent the “defective” Red Dot Scope back and got a replacement. Only to see the same hourglass shape, instead of the perfectly round Red Dot, on the replacement scope. I showed the Red Dot Scope to a more knowledgeable friend of mine and he told me that he saw a perfectly round Red Dot and he explained my eyesight problem and off I went to the eye doctor. It turns out that special contacts can somewhat correct my eye vision problem. I showed this OPEN RED Dot sight to my friend, who has good vision, and he said that the image is perfectly sharp. So, if you think that this OPEN RED Dot scope has a lower quality image, then you need to have your eyes examined and your vision corrected as much as possible. There is a special contact lens that really fixes your astigmatism so that you can see better without as much distortion.
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Quality Red Dot that Stays at Zero!
I picked up this Trumpet (model RD3-029) from ADE Advanced Optics to see how it would perform as I usually use Swampfox or Holosun optics on my handguns. Red dots are necessary for me because they have worked wonders for those of us whose eyesight is getting poorer as they age. It came in a nice box and was packaged very well. Inside you get the optic, optic cover, screw for windage/elevation adjustments, allen wrenches, screws, lens cloth and a 1632CR battery to power it. It does NOT come with an optics plate so you'll need to provide your own if you need one. The optic itself has a 4 MOA dot with 7 brightness settings, with the lowest setting only visible by night vision. You can turn it on or off by holding the up or down arrow for 3 seconds. It also has shake'n'wake technology and auto/on off - TWO features that I demand from a red dot. If a sight does not have at least those two features I won't even consider it as modern optics have no excuse to NOT include those. It also has a side-loaded battery which also is a nice feature. I mean, who wants to constantly remove the optic to replace the battery? The sight itself is made out of aircraft aluminum and has a very solid and premium feel to it. This is an RMR footprint red dot, so if your firearm slide isn't cut for that then you'll need a separate optic plate. Does it work on my firearm? Let's find out. I zeroed it in at home with a laser bore sight at 30 feet and then took it to the range. In total, I put a total of 184 rounds through my S&W M&P 2.0 Performance Center and the zero didn't budge once! I stopped after every couple mags (23 rounds each) too, just to check to see if the zero had moved. It stayed right at the original zero the entire time. Obviously, zero is very important because despite what cool features it may have if a dot sight can't stay at zero it's worthless. This one proved it's worth to me. As far as longevity and durability is concerned, I can't speak to that right now since I haven't had it for very long but I see no reason why it will not last if you take the necessary care and concern (i.e. don't drop it). I use my pistols for the range and home defense so I'm not running around with them like a soldier so I anticipate that this will definately last for me. However, if anything changes in the future I will certainly update my review. I'm happy to report that this sight is a a keeper for me.
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Quality Red Dot that Stays at Zero!
I picked up this Trumpet (model RD3-029) from ADE Advanced Optics to see how it would perform as I usually use Swampfox or Holosun optics on my handguns. Red dots are necessary for me because they have worked wonders for those of us whose eyesight is getting poorer as they age. It came in a nice box and was packaged very well. Inside you get the optic, optic cover, screw for windage/elevation adjustments, allen wrenches, screws, lens cloth and a 1632CR battery to power it. It does NOT come with an optics plate so you'll need to provide your own if you need one. The optic itself has a 4 MOA dot with 7 brightness settings, with the lowest setting only visible by night vision. You can turn it on or off by holding the up or down arrow for 3 seconds. It also has shake'n'wake technology and auto/on off - TWO features that I demand from a red dot. If a sight does not have at least those two features I won't even consider it as modern optics have no excuse to NOT include those. It also has a side-loaded battery which also is a nice feature. I mean, who wants to constantly remove the optic to replace the battery? The sight itself is made out of aircraft aluminum and has a very solid and premium feel to it. This is an RMR footprint red dot, so if your firearm slide isn't cut for that then you'll need a separate optic plate. Does it work on my firearm? Let's find out. I zeroed it in at home with a laser bore sight at 30 feet and then took it to the range. In total, I put a total of 184 rounds through my S&W M&P 2.0 Performance Center and the zero didn't budge once! I stopped after every couple mags (23 rounds each) too, just to check to see if the zero had moved. It stayed right at the original zero the entire time. Obviously, zero is very important because despite what cool features it may have if a dot sight can't stay at zero it's worthless. This one proved it's worth to me. As far as longevity and durability is concerned, I can't speak to that right now since I haven't had it for very long but I see no reason why it will not last if you take the necessary care and concern (i.e. don't drop it). I use my pistols for the range and home defense so I'm not running around with them like a soldier so I anticipate that this will definately last for me. However, if anything changes in the future I will certainly update my review. I'm happy to report that this sight is a a keeper for me.
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Nice Optic
So far very please with this. Replaced the battery with a quality one. Fit my dagger perfectly. Seems like it will hold up well, only time will tell.
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Works well
Works just as good as a optic I spent $400 on
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Complete kit - ready to mount
I really liked the extra thought that went into the design and packaging of this scope. First, it comes with a silicone cover that fits snugly over the sight to keep it clean and undamaged. It also has an automatic shut-off that saves the battery when it is covered or is sitting still for a extended period. It comes with full mounting accessories like a custom screwdriver and Allen wrench, as well as a sight calibration tool that helps you get it adjusted to correctly parallel the gun’s barrel for maximum accuracy. The sight itself is a good size. It’s a little smaller than I expected which is good - I was concerned that it would tower over the gun and make it feel unwieldy. I don’t get that sense from this sight, and definitely appreciate it. It is well constructed, and comes with full instructions and information. On the whole I feel this is a very good value for the price.
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Solid RMR at this price point
Somewhere between cheapy RMR's that dont hold zero and the Majors who require cutting off body parts to afford, is where this optic sits. It has most of the features of the major, and some that the majors don't, but not the price tag. The dot is clear and adjustable brightness. The form factor is small, but with practice, you can find the dot from draw. It is easy to mount The buttons are easy to operate, even with my left fat thumb with right hand properly gripping gun It comes with PROPER ENGLISH description/instruction Shake awake feature Easy Battery change Built-in rear iron site. (So if things go south, you still have windage. If you have a front post, you can co-witness.) 4 MOA dot is a good size for finding, but not covering , a target. Rubber cover If you are looking for a red dot, but don't want to drop a fortune, or buy a cheap POC, this could be your perfect solution.
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reat entry level RDS
For my range toy this is going to be the ticket. It has a 4MOA dot, shake awake, and a side changing battery. The 'Shake Awake' does work as expected. The dot is easy to see, and brightness adjustments are simple. The window is fairly large, but there is a section at the bottom where it blocks the dot. For now, it's riding on a 16" mid-length, in an offset picatinny mount. I had an extra picatinny RMR mount, and it lined up perfectly. I generally try to put a thousand rounds down range, before I trust an optic, so we'll see how this holds up. For the price you cannot go wrong, will it hold up to the any real abuse? I don't know. This would probably be a great entry into the world of red dots, just so you can decide if you want to spend Trijicon money. It would also be perfect on a .22.
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Great budget option
I love budget optics that are packed with features you pay three times for from well known brands. Things like shake awake and a battery located somewhere you don't have to remove the optic to replace. These ADE branded dot sights will perform just as good for the every day recreational enthusiast and range goer. Easy install, I used the included screws to attach to my slide. The reticle is clear and easy to see quickly through clear glass. The body itself is not overly large or wide and fits the slide pretty well. Includes a rubber cover, which I'll never use, but it's there if you like them. I have many of these ADE sights along with a lot of options in that same budget range and these are becoming a quick favorite.
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Motion-Activated Red Dot Sight
This is a well made, nicely engineered red-dot sight for your firearm. One of my pet peeves are sights that eat the batteries so that just when you need it, you’ve got no power to light it up. I like that this sight powers down after 5 minutes when not in use. Just move it again and it wakes up. The sight itself is impressive for the price: precisely machined aircraft-grade aluminum with multi-coated lenses. A few more pluses: you don’t have to remove the sight in order to replace the battery. There’s a little tray that slides out. There’s a setting for night vision. And this is waterproof. Also, once you set this (and make sure it is tightened down), it holds zero.
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Very Good for the price
First off, I was really impressed that the Motion Activated System actually worked as described, and was repeatable, unlike another similar device I have, for which I paid a LOT more. This is solidly made, easy to use, mounts snuggly and has a minimal profile. So far it has held zero very nicely and remains solidly attached after 100 rounds. The side-loading battery compartment is an interesting variation; I haven't decided whether or not I like it, because the screw needs a proprietary bit--which sucks if you loose it. Otherwise, I am very pleased with it.
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Good Optic
So far I really like this optic, It took a while to find just the right hardware to get it mounted on my slide as the hardware it came with was too long and would bottom out before it got tight. I had to go with a 6x32 x 7/16" to get enough threads to make it hold while allowing it to get tight. It comes with 1/2" mounting screws. The optic itself is great so far. I wish there were detents on the adjustment screws, but they're easy to use and there is enough travel to make it work with just about any set up. This optic mounts low enough that I can still use regular height tritium sites and see both the front and the back without issue. It seemed like it wouldn't turn on at first but that was only because the optic was set on one of the night vision settings and it was too dim to see in daylight. Turned all the way up, it's easy to find the dot even on bright sunny days. Everything seems solid so far, but we'll see how well it holds up after a few hundred rounds. My biggest grips is with the branding. Does it really need to say "TRUMPET" in big bold letters across the top? It's an odd name for the device and it's super conspicuous. I think I'll have to take some kind of solvent to it to tone that down a bit. It makes the whole thing feel a lot cheaper.
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VERY Impressed!
I'm a BIG red dot fan for my pistols and I typically use Swampfox optics or Holosun. Red dots have worked wonders for those of us whose eyesight is getting poorer as they age. So when I had the chance to get one of these red dots - the Trumpet (model RD3-029) from ADE Advanced Optics - I gladly accepted. The presentation was excellent - it came in a fancy box and was packaged very well. As good as the ones I get from Swampfox and Holosun. Inside you get the optic, optic cover, screw for windage/elevation adjustments, allen wrenches, screws, lens cloth and a 1632CR battery to power it. It does NOT come with an optics plate so you'll need to provide your own. It has a 4 MOA dot with 7 brightness settings, with the lowest setting only visible by night vision. You can turn it on or off by holding the up or down arrow for 3 seconds. It also has shake'n'wake technology and auto/on off - TWO features that are non-negotiable with me. If a sight does not have at least those two features, I won't even look at it as, IMO, modern optics have no excuse to NOT include those. It's also got a side-loaded battery which is also of importance to me. Who wants to have to constantly remove the optic to replace the battery? The sight itself has a very nice, solid and premium feel to it as well as looking good on my firearm (see pics). Please note that this is an RMR footprint red dot, so if your firearm slide isn't cut for that then you'll need a separate optic plate. It's supposedly made out of aircraft aluminum but I couldn't find where it said that anywhere except on Amazon's product page. I'm certain it is as it certainly feels like it does. So does it work? You bet it does. I zeroed it in at home with a laser bore sight at 30 feet and then took it to the range where I put 184 rounds thru my firearm. I stopped after every couple mags (23 rounds each) to check to see if the zero had moved and, to my surprise, it had not! It stayed right on the money the entire time. Despite what cool features it may have, if a dot sight can't stay at zero it's worthless and this one proved it's worth for at least 184 rounds. For now, it's a keeper! As far as longevity and durability is concerned, I can't speak to that right now since I haven't had it for very long but I see no reason why it wouldn't last if you take the necessary care and concern (i.e. don't drop it). If anything changes in the future I will certainly update my review. One thing to note is that I did not use the screws that came with the sight as I already had screws holding down my Swampfox red dot and just used those. These screws should work but I can't confirm that they actually fit my S&W. I know in the past I've run into different firearms requiring different screws other than the ones they came with so just keep in mind that you may or may not have to supply your own screws. So, this sight is a keeper for me. While it won't immediately replace my Swampfox as I also love those sights too, it will find it's way on another firearm of mine in the future. Well done, ADE!
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All is good, two years and the battery still holds.
After almost 2 years of use I can attest to that everything is fine with this red dot. No issues. Holds zero like a champ. I sent about 350 rounds through my PSA Dragged with this optics on it, both suppressed and not, and all is good. The battery still holds
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Ruger 5.7
This fits my ruger 5.7 perfectly and it's great quality
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Impressive
This little optic packs a punch for the money. It’s small but mighty, and I’m very pleased. Dot shows up great, window is clear and as far as I can tell the shake awake works as well. Would definitely recommend
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Great optic at great price
Fits great on my Glock build solid little dot that looks great and performs well!
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FITS NICE
Great optic at a great price. Built my budget carry glock with it and the fit and finish is great. Had an issue with the first one cause the screw for the up and down was boogered. Reached out and they had a new one in the mail within 24 hours. couldnt ask for better customer service. Will be buying more from yall in the future!
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ADE Trumpet
was looking for a lower cost pistol red dot and having had good look with several other items from ADE thought I would try the TRUMPET, purchased two now and both work well ...have been a little awkward to zero but once done seems to be fine be sure to locktight the screws watch your L_R UP- DOWN direction and every thing should be good several hundred rounds now will report back in the future.....so Great for the price have to see if it holds up.
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Trumpet
good economy red dot keeps zero on 9mm semi auto OK . Only wish the - + switches where father apart or bigger they are difficult to operate unless you just leave it on shake awake