DPP Titanium Optic Adapter Plate Compatible with Glock Gen 3 to Gen 5 Standard MOS, Holosun 407K/507K/EPS/EPS Carry, Osight K/S/SE and RomeoZero
Condition: New
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Availability:
In Stock.
Arrives
Thursday, Oct 22
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Size: Holosun
Features
- Fits Glock Gen 3-5 MOS pistols including G17, G19, G22, G23, G34, G35, G41 and G45. Compatible with Holosun 407K, 507K, EPS and EPS Carry only. Not compatible with Glock 43X MOS, 48 MOS, aftermarket optic cuts or other RMSc footprint optics.
- We chose precision over compatibility. Engineered specifically for Holosun K Footprint optics, including 407K, 507K, EPS and EPS Carry, for enhanced fit, improved recoil engagement and greater stability under recoil.
- Precision CNC machined from aerospace-grade 6AL-4V Titanium with a durable Black PVD finish. Lightweight, corrosion resistant and built to withstand years of carry, training and range use.
- Includes custom high-strength alloy steel Torx mounting screws specifically selected for this plate, providing secure optic retention and long-term durability.
- Ultra-low profile one-piece design helps maintain a secure zero while minimizing added height. Installation hardware included. Backed by responsive technical support and a lifetime warranty.
Description
DPP Titanium optic adapter plates are precision CNC machined for Glock Gen 3 to Gen 5 Standard MOS models. This variation family includes options for Holosun 407K/507K/EPS/EPS Carry and RomeoZero, or Osight K/S/SE and RMSc footprint optics. Each plate is made from 6AL-4V titanium with a black PVD finish and includes custom SCM435 alloy steel screws and installation hardware. Not compatible with Glock 43X/48 MOS or aftermarket-cut slides. Select the correct optic compatibility option before ordering.
Color: Black
Brand: DPP Titanium
Material: titanium
Finish Type: Black PVD
Item Depth: .1 inches
Brand Name: DPP Titanium
Model Number: GL-MOS04
Manufacturer: DPP Titanium
UPC: 750238964109
Included Components: user manual
Manufacturer Part Number: GL-MOS04
Item Depth: .1 inches
Material Type: titanium
Color: Black
Finish Types: Black PVD
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Oct 22
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Holosun
I don't know why the description seems to try to make people think this plate doesn't fit just about anything but the holosun, it seems to just be a redesign of the glock MOS plate #04. I have three different optics using the RMSc footprint and they all fit like a glove. The brands I tried were the Osight SE, Votatu, and Arory. All of which are pretty budget models but all of them must be clones of the holosun footprint I guess, because they all fit perfect. I have several plates now from DPP for the RMR footprint for glock MOS, M&P core 2.0 and now this one for the MOS to RMSc. I love thin and tailored they are compared to the MOS plates. The core plates are ok, though they are polymer now. Probably fine but I like these a little better. I haven't had then long enough to speak to durability but they're titanium so.... yeah. Install is straight forward just like any other plate and come in a great little reusable plastic box with an assorment of TORX mounting screws and a TORX L-wrench (T8 I believe) . Though you may need to use ones that came with your platform depending on the optic brand. Cost is fair compared some of the other stuff I see out there. Compared to CH, these are darn right cheap. Usually ~$40 for a titanium optic plate or ~$30 for 7075 aluminum (if they have the version you're looking for). I usually splurge for the titanium just because they can make them a little thinner and still keep incredible strength. I hope they expand the lineup to include large frame glock mos cause I don't want to have a weird gap on the slide using a regular one and the glock plates are kinda meh.
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Reviewed in the United States on July 21, 2026 by R. Carter
Size: Holosun
Fits Holosun K series, however it does not fit every “Shield RMSc” footprint optic. I was fortunate to be able to get multiple optics for the holidays to upgrade my pistols. I was a little bummed that the new Vortex Defender series utilized a smaller screw hole than the Holosun, so they will not fit over the DPP mounting posts (no fault of theirs). The fit was tight with the EPS and K optics from Holosun over the post and into the plate. The plate also fit well into the MOS slot. Despite the K series being well regarded to run with factor Glock sights, using this plate with the MOS system still means you need taller sights for cowitness. I ended up mounting the EPS to my Gen5 19MOS and was able to get 1/4 cowitness (part of the dots obstructed) with TruGlo low sights (the one with the set screw in the rear sight). The plate comes well packaged, with three sets of screws — two pairs for the mounting plate, two pairs for the EPS optics, and two pairs for the K optics. I like that they include a backup pair of screws in case you mess them up or lose them. Comes with the torx T-10 tool and a nice plastic case I have two of DPP’s RMR plates and they are working fine. I suspect this will also work just as well. For $40 this is a good deal in comparison to premium pricing by their competitors, and much better than the OEM plates that are included (K plate it not included in the MOS series).
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Reviewed in the United States on January 13, 2026 by James
Size: Holosun
Perfect fit. Important that it has a couple of threaded studs to hold red dot. Prior plate that I did not use did not have studs and only a couple of threads from screw to secure sight. And this plate was 1/2 the price and built solid. Would highly recommend. (Glock with MOS installing EPS Carry Red Dot).
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Reviewed in the United States on July 22, 2026 by Otto
Size: Osight/RMSc
Fits perfect. Using on a Glock 19 gen 5. Plate for the OSight green/red dot.
Reviewed in the United States on September 8, 2026 by William
Size: Holosun
This plate is thin. I was able to use the EPS full-size and still co-witnessed with the OEM iron sight on my Glock 17L. It’s more like 1/4 co witness which I like. Putting on the correct torque and it doesn’t seem to loosen but I only got 100 rounds through it so take that with a grain of salt. It also looks good because it fill in the gaps in front and back of the optic. The price is also right.
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Reviewed in the United States on April 26, 2026 by Khoi Tran
Size: Holosun
Ok, so I was pretty happy with the speed of delivery, the included tools and the way it was packaged. The design seems strong and efficient and the product itself seemed of sufficient quality. The plate did not immediately mount on my g19 MOS slide, was too tight and initially I used a rubber mallet to place it. Initially it looked great. But after I mounted my Holosun eps to it, it was also VERY tight. It was all bolted down to listed torque specs and all was good. Then I started to notice the front of the sight had space between the plate and sight I could see daylight through. I adjusted it several times and couldn’t make it work. Then I had to use fine sandpaper to remove the paint from the front and back of the plate to make it fit correctly invthe MOS cutout. This also had to be done on top of the plate for the sight to mount without binding. It was the binding that seemed to be causing the sight to raise on the front. It’s ok now after I fitted it myself but I wouldn’t do this again and if this holds to 1000 rds I’ll be very surprised. I would find another solution before I tried this plate again. A direct mount would be ideal but until Glock starts using a better sight mounting pattern a custom cut is the obvious choice. ****UPDATE:Ok, so I’ve had this for a few weeks. Once I took off the smallest amount of paint on the leading edge of the plate it did fit perfectly. I’ve put around 500 rounds through the gun and it is not loosening up, which is good. The DPP customer service dept reached out to me and wow, how nice to deal with they were. They wanted to refund my purchase and/or send me another at no cost. I said ok and it arrived within days. I haven’t installed it though as my sight is perfectly mounted and dialed in…just can’t bring myself to dismount it just to install an identical plate. I am very happy with this purchase and do recommend it for Glock MOS applications. Of course direct mount is ideal, but this is working really well after proper fitting. DPP is focused on customer service and I appreciate that these days.
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Reviewed in the United States on March 3, 2023 by H. Hall
Size: Osight/RMSc
Very good quality . Perfectly fit on G34 G3 slide MOS cut. Easy installation and compatible with OSight SE RMSc footprint. Awesome product.
Reviewed in the United States on June 20, 2026 by Benito L.
Size: Holosun
The plate fit tightly in an G45 MOS slide. I appreciate that the plate came with various optic screws, in labeled bags for different optics. This is super helpful. With this plate I was able to mount and zero a holosun 507k with no issues. Had difficulty zeroing an eps carry. Plate is high quality and came with proper screws so I’m still giving it 5 stars.
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Reviewed in the United States on March 11, 2026 by P.Robinson