Holosun MOS Mounting Plate for 407/507K Reflex Sights | Secure Pistol Adapter
The Holosun MOS Mounting Plate is engineered for seamless integration of 407/507K series reflex sights on MOS-adapted pistol slides, making it an essential accessory for European sport shooters and hunters pursuing reliable optics setups. Crafted from high-strength black steel, its compact 48x25x3 mm design ensures a rock-solid, low-profile fit that withstands recoil and field demands without adding bulk—only 29 g. This plate excels in precision alignment, allowing parallax-free sighting and quick target acquisition in dynamic sport shooting disciplines. In the competitive EU market, its included mounting screws and robust construction stand out, proven in real-world range tests for zero retention and vibration resistance.
Advantages include effortless installation on Glock MOS or similar platforms, corrosion-resistant finish for outdoor use, and compatibility that elevates your Holosun optic's performance.
Precision Engineering
The steel construction provides superior strength over aluminum alternatives, securing the optic at optimal height for co-witness irons while maintaining a slim profile ideal for concealed carry or competition.
Compatibility & Durability
Directly fits MOS-standard slides (e.g., Glock 17/19 MOS), with pre-threaded holes for 407/507K footprints. Rated for repeated recoil cycles, it handles -30°C to 60°C conditions common in European hunts.
Practical Use in Europe
For sport shooting venues or hunting trips, this plate enables fast optic swaps and stable performance on rainy ranges or forested trails, enhancing accuracy without compromising pistol balance.
Technical Specifications Holosun MOS Mounting Plate
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Specifications |
Details |
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Material |
Steel (black finish) |
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Dimensions |
48 x 25 x 3 mm |
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Weight |
29 g |
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Compatibility |
Holosun 407/507K series on MOS slides |
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Included |
Mounting screws (torque: 1.5 Nm recommended) |
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Manufacturer |
Holosun |
Frequently Asked Questions
What is the battery life of the Holosun 407/507K series reflex optics when used with the MOS mounting plate?
The Holosun 407/507K series reflex sights, securely mounted via the MOS plate, deliver exceptional battery life of up to 50,000 hours on a single CR1632 battery, thanks to advanced Shake Awake technology. This feature activates the optic instantly upon detecting motion and enters a low-power sleep mode during inactivity, ideal for extended sport shooting sessions or multi-day hunts. Paired with the durable MOS plate, it ensures uninterrupted use in dynamic scenarios.
Does the Holosun 407/507K feature an advanced reticle system?
Yes, select Holosun 407/507K models incorporate the innovative Multi Reticle System (MRS), allowing seamless switching between a precise 2 MOA dot, a 32 MOA circle, or a combination for versatile aiming in sport shooting and hunting. This green or red dot flexibility adapts to varying light conditions and distances, enhancing quick target acquisition on European ranges. Mounted on the MOS plate, the reticle remains perfectly aligned, providing parallax-free clarity through the large lens window.
What are the key differences between green dot and red dot versions of Holosun 407/507K reflex sights?
Green dot variants of the Holosun 407/507K, like the GR models, offer superior visibility in bright daylight or against green foliage—common in European hunting terrains—due to the human eye's sensitivity to green wavelengths around 540 nm. Red dots perform better in low-light or urban sport shooting settings, appearing sharper at night. Both provide 12 brightness levels and Shake Awake for efficiency. With the MOS mounting plate, either integrates flawlessly, maintaining zero.
How durable is the Holosun 407/507K MOS mounting plate and optic combination?
The MOS mounting plate, crafted from high-strength steel, combined with the 407/507K's 7075 aluminum housing, boasts IP67 waterproofing, 5000 G shock resistance, and operation from -30°C to 60°C—proven in rigorous European weather tests. This setup withstands rain, dust, and vibrations from prolonged sport shooting without loosening. The black anodized finish resists corrosion, ensuring long-term reliability for hunters in forests or ranges.
Which platforms is the Holosun MOS mounting plate compatible with for 407/507K sights?
The Holosun MOS mounting plate is precision-engineered for standard MOS-adapted platforms, directly accommodating 407/507K reflex sights with secure, low-profile alignment. It fits common MOS configurations, enabling easy installation with included screws (torque to 1.5 Nm). This ensures optimal height for natural sighting in sport shooting or hunting. Ideal for European users upgrading optics, it promotes iron sight co-witness.
What is the EU warranty coverage for Holosun 407/507K products purchased from Holosun Croatia?
As the authorized Holosun dealer in Croatia, we provide the full official EU warranty—typically 3 years—covering defects in materials and workmanship for the 407/507K sights and MOS plate. This includes expert support, fast repairs, and genuine parts shipped across the EU. Register your purchase for extended coverage.
Is the Holosun 407/507K with MOS plate suitable for European hunting and sport shooting?
Absolutely, the Holosun 407/507K reflex optic on the MOS plate thrives in European conditions, with its parallax-free 1x view, bright green/red dot, and unlimited eye relief for rapid acquisition during hunts in low-light woods or competitive sport shooting on ranges. Lightweight at under 50 g total, it balances setups perfectly while IP67 sealing handles rain and mud.
How does Shake Awake technology benefit users of the Holosun 407/507K MOS setup?
Shake Awake instantly powers on the 407/507K reflex sight upon motion detection—waking in milliseconds—while auto-sleeping after inactivity to preserve the 50,000-hour battery life. Mounted via the MOS plate, this ensures the optic is always ready for spontaneous sport shooting or hunting moments without manual activation.
This plate delivers enduring stability and precision for demanding users.





