This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how much the right adapter can boost your Glock’s versatility. Having personally tested various mounts, I’ve found that the best ones seamlessly integrate with the slide and keep your optic secure under recoil. After trying several options, I can say that a quality adapter should feel solid, install smoothly, and support popular footprints without fuss.
Trust me, the Monstrum Dovetail Red Dot Mount for Glock (Non-MOS) G17-G47 stood out because it offers compatibility with RMR footprint optics like Holosun 407C/507C/508T, ensuring a tight fit and reliable zero retention. It installs quickly into the dovetail slot replacing your rear sight, and its anodized aluminum construction resists wear. Having tested it under recoil, I can confidently say it’s a game-changer—affordable, durable, and straightforward to mount. If you want seamless, secure red dot integration, this mount is my top pick.
Top Recommendation: Monstrum Dovetail Red Dot Mount for Glock (Non-MOS) G17-G47
Why We Recommend It: It offers broad compatibility with popular RMR footprints, including Holosun 407C/507C/508T, ensuring a reliable fit. Constructed from hard anodized 6061 aluminum, it’s durable yet lightweight. Its quick, seamless slide-in installation replaces the rear sight without permanent modifications, and the lifetime guarantee adds confidence. Compared to others, it combines superior material quality with specific footprint support, making it the best-value choice.
Best glock red dot adapter: Our Top 5 Picks
- Monstrum Dovetail Red Dot Mount for Glock (Non-MOS) 17-45 – Best glock red dot mount
- Monstrum Dovetail Red Dot Mount for Glock (Non-MOS) G17-G47 – Best glock red dot sight adapter
- TSA® Rear Sight Dovetail Adapter Plate for Glock® – DOCTER® – Best glock red dot mount adapter
- ADE RD3-006x Green Dot + D1 Rear Optic Mounting – Best glock red dot sight mount
- DAXISONN RMSc Dovetail Red Dot Mount Plate for Glock 17-47 – Best glock red dot adapter for accuracy
Monstrum Dovetail Red Dot Mount for Glock (Non-MOS) 17-45
- ✓ Seamless dovetail fit
- ✓ Sturdy aluminum construction
- ✓ Easy to install with sight pusher
- ✕ Not compatible with MOS models
- ✕ Requires removal of fixed rear sight
| Material | Hard anodized 6061 grade aluminum |
| Compatibility | Glock models 17, 19, 20, 21, 22, 23, 34, 35, 40, 41, 45, 47 (not for MOS or Slimline Glock 43x/48) |
| Mounting Footprint | RMSc standard footprint for micro red dots |
| Installation | Replaces fixed rear sight via dovetail slot, requires sight pusher tool |
| Torque Specification | 15 in/lbs |
| Price | $14.99 |
That moment when you realize how cleanly this Monstrum dovetail mount integrates into your Glock’s slide is a game-changer. The precision-cut dovetail slot feels like it was made for this plate, fitting snugly without any wiggle room.
It’s just a quick swap out of the rear sight, and suddenly your Glock is ready for a red dot without extra bulk.
The anodized 6061 aluminum feels sturdy and durable, giving you confidence during practice or even defensive use. Installing it requires a sight pusher, but once in place, it offers a stable platform for a variety of RMSc footprint red dots, like Holosun 407k or EPS.
It’s lightweight, so your slide weight isn’t noticeably affected, and the finish looks slick—resistant to scratches and corrosion.
What I really appreciate is how seamlessly it sits in the dovetail, almost like the manufacturer designed it for this exact purpose. The recommended torque of 15 in/lbs is spot on, ensuring it stays tight without risking damage.
If you’re tired of constantly adjusting your red dot or worried about it shifting, this mount offers peace of mind. Just remember, it’s not compatible with Glock MOS models or Slimline 43x and 48 pistols, so double-check your setup first.
Overall, this plate is a simple but solid upgrade for Glock owners wanting a reliable, no-fuss mounting option. It’s affordable, well-made, and makes switching to red dot shooting smoother than ever.
Just a heads-up: you’ll need a sight pusher to install, but that’s a small price for the stability it provides.
Monstrum Dovetail Red Dot Mount for Glock (Non-MOS) G17-G47
- ✓ Easy to install
- ✓ Strong, durable build
- ✓ Compatible with many models
- ✕ Not for MOS versions
- ✕ Requires sight removal
| Material | Hard anodized 6061 grade aluminum |
| Mounting Compatibility | RMR footprint standard red dots (Holosun 407C/507C/508T) |
| Slide Compatibility | Glock models 17, 19, 20, 21, 22, 23, 34, 35, 40, 41, 45, 47 (not for MOS or Slimline Glock 43x/48) |
| Installation Method | Replaces rear sight dovetail slot using sight pusher tool |
| Torque Specification | 15 in/lbs |
| Product Type | Dovetail micro red dot mounting plate |
Many people assume that a simple mounting plate can’t make much difference in how your Glock performs with a red dot. I’ve always thought that too—until I installed this Monstrum Dovetail Red Dot Mount on my G17.
What struck me immediately is how seamlessly it slides into the dovetail slot at the back of the slide. The fit is snug, with no wobble or play, which is crucial for maintaining zero during rapid fire or recoil.
Removing the fixed rear sight with a sight pusher was straightforward, and the mount itself feels incredibly sturdy.
The anodized aluminum construction feels solid without adding unnecessary weight. Once installed, I mounted my Holosun 507C, and it aligned perfectly with the RMR footprint.
The installation process took just a few minutes, and the torque specs are clearly specified, so I knew I wasn’t overtightening. Shooting with the red dot now feels more precise, especially during quick target acquisition.
One thing I appreciated is the compatibility with a variety of Glock models, which makes it versatile. Plus, the lifetime guarantee offers peace of mind that Monstrum stands behind their product.
It’s a simple upgrade, but it significantly enhances your shooting experience by making the red dot more accessible and stable on your Glock.
Overall, this mount turns a standard Glock into a serious sighting platform without breaking the bank. It’s a small investment that pays off in accuracy and confidence at the range.
TSA® Rear Sight Dovetail Adapter Plate for Glock® – DOCTER®
- ✓ Easy quick installation
- ✓ Universal compatibility
- ✓ Durable, corrosion-resistant finish
- ✕ Slightly bulky profile
- ✕ Limited to Glock-style slides
| Material | Aircraft-grade CNC-machined aluminum |
| Compatibility | GLOCK-style rear sight dovetails, accepts DOCTER-pattern red dots including Burris FastFire, Vortex Venom/Viper |
| Mounting System | Includes mounting screws and hardware for quick installation |
| Finish | Corrosion-resistant coating |
| Slide Compatibility | Works with multiple slide manufacturers including Shadow Systems, Polymer80, ZEV, Lone Wolf GLOCK-pattern slides |
| Dovetail Dimensions | Standard GLOCK rear sight dovetail specifications |
Fitting this TSA® Rear Sight Dovetail Adapter Plate onto my Glock slide was surprisingly straightforward—no fuss, no permanent modifications needed. The CNC-machined aircraft-grade aluminum feels sturdy in your hand, giving you confidence that your optic will stay put under recoil.
Once installed, I immediately appreciated how snug the fit was. It slides right into the Glock-style dovetail with a satisfying click, and the included screws tighten securely without any wobble.
The precision engineering means you don’t have to worry about your red dot shifting after a few shots.
The versatility of compatibility with popular optics like Burris FastFire, Vortex Venom, and Viper is a huge plus. I tested it on a few different Glock-style slides from Shadow Systems and Lone Wolf, and it fit perfectly every time.
The finish resists corrosion, so I don’t have to stress about rust or wear over time.
Installation took just minutes—mounting screws and hardware are included, making it easy even if you’re not a gunsmith. Plus, it converts non-optic-ready slides to accept red dots, which is a game-changer for upgrading your Glock without costly modifications.
In real-world use, the adapter maintained zero after multiple rounds, and I appreciated how it didn’t add excess bulk. Whether for carry or target shooting, this adapter offers a reliable and versatile way to add a red dot to your Glock.
ADE RD3-006x Green Dot + D1 Rear Optic Mounting
- ✓ Crisp, clear sight picture
- ✓ Motion-activated sleep mode
- ✓ Easy to install
- ✕ Not waterproof
- ✕ Professional install recommended
| Mounting Compatibility | Fits Non-MOS Glocks (Glock 17 to Glock 43) and select Canik & Taurus models with steel sights |
| Optic Type | Green Dot with 4 MOA dot size |
| Power Source | Lithium CR2032 battery (included) |
| Illumination Settings | 5 brightness levels with motion-activated sleep mode |
| Optic Features | Shock and fog proof, rain resistant, precision ground and polished lenses to eliminate parallax |
| Activation Technology | Motion-activated reactivation with sleep mode after 5 minutes of inactivity |
The ADE RD3-006x Green Dot + D1 Rear Optic Mounting is a solid choice if you’re looking to upgrade your Glock with a reliable, motion-activated red dot. As someone who tested it on several Non-MOS Glocks ranging from Glock 17 to Glock 43, I appreciated how seamlessly it replaced the factory rear sight dovetail, making installation straightforward with the included mounting plates.
The green dot itself is crisp and easy to see, especially with its 4 MOA size and five adjustable brightness levels. Thanks to the motion-activated sleep mode, I found the battery life extended significantly, with the optic reactivating instantly when I picked up the pistol, thanks to the CR2032 battery supporting quick reactivation at previous settings. When comparing different best glock red dot adapter options, this model stands out for its quality.
One feature that really stood out was the durability—it’s shock and fog proof, and rain-resistant, so I didn’t worry about weather conditions during outdoor testing. However, keep in mind it does NOT fit Optic Ready MOS Glocks or those with aftermarket slides cut for optics, which is a crucial detail for Glock owners considering this upgrade.
Overall, the ADE RD3-006x Green Dot + D1 Rear Optic Mounting offers a reliable, user-friendly upgrade for Glock enthusiasts wanting a clear, durable sighting option with advanced motion-activation at a price of $77.77. It’s a smart addition for those who want quick target acquisition without sacrificing reliability.
DAXISONN RMSc Dovetail Red Dot Mount Plate for Glock 17-47
- ✓ Easy to install
- ✓ Durable construction
- ✓ Broad optic compatibility
- ✕ Not compatible with MOS models
- ✕ Requires sight pusher tool
| Compatibility | Shield RMS/RMSc/RMSw/SMS/SMSc, Romeo Zero, ADE RD3-018 Spike, same footprints optics |
| Suitable Firearm Models | Glock 17, 19, 20, 21, 22, 23, 34, 35, 40, 41, 45, 47 (non-MOS versions) |
| Material | 7075 T6 aluminum, hard-anodized |
| Finish | Hard-anodized coating for durability and corrosion resistance |
| Mounting Type | Dovetail slide-in replacement for factory rear sight |
| Installation | Requires sight pusher tool (not included) for removal and installation |
Many folks assume that mounting a red dot on a Glock is as simple as snapping it onto a slide or using a universal adapter.
But this DAXISONN RMSc Dovetail Plate proves that precision and compatibility really matter. I was surprised at how smoothly it slid into the dovetail slot on my Glock 19, fitting snugly without any wiggle room.
The build quality is impressive—machined from tough 7075 T6 aluminum, it feels solid yet lightweight. The anodized finish looks sleek and should hold up well against corrosion and wear over time.
Installation is straightforward if you have a sight pusher. The package includes all the necessary screws and wrenches, making setup hassle-free.
Just remember, you’ll need the pusher tool to remove your factory rear sight first.
What I appreciated most was its compatibility with a wide range of optics, including Shield RMS and Romeo Zero. It’s great to know I can switch between different red dots without buying new plates each time.
However, it’s important to note that this plate doesn’t fit Glock MOS or Slimline models like the 43X or 48. If you own those, you’ll need a different solution.
At around $16, it’s a budget-friendly upgrade that offers durability and precision. The lifetime guarantee is a nice bonus, showing confidence in the product’s quality.
Overall, this plate makes mounting optics on your Glock quick and secure, without sacrificing reliability or adding much weight. It’s a smart choice for anyone wanting a clean, solid red dot setup.