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Cameras & Optics > Optics > Scopes > Weapon Scopes & SightsCh PrecisionSold by Mile High Shooting Accessories
C&H Precision: V4 MIL/LEO Adapter Holosun 407K / 507K, C&H EDC / EDC Enclosed / Olight Osight S, Fits GLOCK(R) MOS Pistols
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SKU: GL-HOLOK
Overview
Built for Glock MOS pistols, this adapter plate provides a mounting solution for compact optics including the Holosun 407K and 507K, C&H EDC and EDC Enclosed, and the Olight Osight S. It is intended for shooters who want a direct, purpose-made interface for an optic-equipped defensive or duty setup while keeping installation hardware organized in one package. The plate is made from 6061 aluminum with stainless steel hardware and a black MIL-SPEC Type III hard-anodized finish, and C&H Precision notes that mounting tolerances can vary, so dry-fitting before final installation is recommended. Because aftermarket optic mounting can affect iron-sight setup, low co-witness height will depend on the firearm, optic, plate, and slide cut.
Why Hunters Choose the Ch Precision
Compatible Wide
A wide range of Glock
Supports C&h
EDC, C&H EDC Enclosed, Holosun
Includes Replaceable
Stainless steel mounting hardware and
Made From
MIL-SPEC Type III hard anodized
Supplied Optic
Optic plate and mounting screws
Key Features
- Adapter plate for Glock MOS pistols, including G17, G19, G34, G45, and G47 models.
- Compatible with Holosun 407K, Holosun 507K, C&H EDC, C&H EDC Enclosed, and Olight Osight S optics.
- Made from 6061 aluminum with MIL-SPEC Type III hard anodized black finish.
- Includes replaceable stainless steel T-Nuts and T-Posts for mounting hardware serviceability.
- Supplied with optic plate, mounting screws, and patented 416 stainless steel T-Nuts.
- Designed and manufactured by C&H Precision in Coastal Georgia using HAAS CNC machines.
Best Used For
- GLOCK MOS owners mounting a Holosun 407K or 507K on compatible carry pistols
- Users pairing C&H EDC or EDC Enclosed optics with supported GLOCK MOS slides
- Shooters wanting a replaceable-hardware adapter plate for routine optic setup
- Installers who prefer dry-fitting and careful alignment before final mounting
Specifications
| Blade Finish | MIL-SPEC Type III Hard Anodized - Black |
|---|---|
| Cnc Machines | HAAS CNC machines |
| Compatible Firearms | Glock G17 Gen4 MOS, Glock G17 Gen5 MOS, Glock G17L Gen5 MOS, Glock G19 Gen4 MOS, Glock G19 Gen5 MOS, Glock G20 Gen5 MOS, Glock G21 Gen5 MOS, Glock G22 Gen5 MOS, Glock G23 Gen5 MOS, Glock G26 Gen5 MOS, Glock G34 Gen4 MOS, Glock G34 Gen5 MOS, Glock G35 Gen4 MOS, Glock G40 Gen4 MOS, Glock G41 Gen4 MOS, Glock G45 MOS, Glock G47 MOS |
| Compatible Optics | C&H EDC, C&H EDC Enclosed, Holosun 407K, Holosun 507K, Osight S |
| Dry Fitting Disclaimer | Installation can be affected by variations in plate, hardware, optic, and firearm tolerances; dry-fitting is advised before full installation. |
| Engagement Threads | six to seven engagement threads |
| Glock Disclaimer | This product is not manufactured, authorized, endorsed, or warranted by GLOCK(R), and GLOCK(R) does not warrant or represent compatibility with GLOCK(R) pistols. |
| Included Items | Qty 1 - Optic Plate, Qty 3 - M3 x 6 MM FH Plate Mounting Screws, Qty 3 - 4-40 x.345 FHB Holosun 407k / 507k, CHPWS EDC / EDC Enclosed Optic Mounting Screws, Qty 3 - Patented 416 Stainless Steel T-Nuts |
| Iron Sights Disclaimer | Factory components can become obsolete when mounting optics; low co-witness iron sight height depends on firearm type, mounting plate, optic, and slide cut. |
| Manufacturing Location | Coastal Georgia |
| Material | 6061 aluminum |
| Mounting Hardware Material | Stainless Steel |
| Patented Stainless Steel T Nut | Yes |
| Quality Checks | multiple quality checks before shipping |
| Replaceable T Posts Material | 416 Stainless Steel |
Pros
- Compatible with a wide range of Glock MOS pistols, including Gen4 and Gen5 models.
- Supports C&H EDC, C&H EDC Enclosed, Holosun 407K, Holosun 507K, and Osight S optics.
- Includes replaceable stainless steel mounting hardware and patented 416 stainless steel T-Nuts.
- Made from 6061 aluminum with MIL-SPEC Type III hard anodized black finish.
- Supplied with optic plate and mounting screws for a complete installation package.
- Multiple quality checks before shipping add confidence in fit and finish.
Considerations & Trade-offs
- Installation can be affected by tolerances in the plate, hardware, optic, and firearm, so dry-fitting is recommended before full installation.
- This adapter is limited to the listed Glock MOS models and compatible optics, so it is not a universal fit.
- Mounting hardware is included, but the optic plate itself is only one component of an aftermarket setup; low co-witness sight height depends on the firearm, plate, optic, and slide cut.
- Factory components may become obsolete when mounting optics on the slide, so the original sighting setup may not carry over unchanged.
Suggested Comparisons
- Pistol optic mounting plates
- GLOCK MOS optic adapter plates
- Red dot sight mounting accessories
- Aftermarket handgun optic plates
Suggested Accessories
- Optic mounting screws
- Thread locker
- Torque driver
- Lens cleaning cloth
Frequently Asked Questions
Which Glock MOS pistols does this adapter plate fit?
It is listed as compatible with Glock G17 Gen4 MOS, G17 Gen5 MOS, G17L Gen5 MOS, G19 Gen4 MOS, G19 Gen5 MOS, G20 Gen5 MOS, G21 Gen5 MOS, G22 Gen5 MOS, G23 Gen5 MOS, G26 Gen5 MOS, G34 Gen4 MOS, G34 Gen5 MOS, G35 Gen4 MOS, G40 Gen4 MOS, G41 Gen4 MOS, G45 MOS, and G47 MOS.
Which Glock MOS pistols does this adapter plate fit?
It is listed as compatible with Glock G17 Gen4 MOS, G17 Gen5 MOS, G17L Gen5 MOS, G19 Gen4 MOS, G19 Gen5 MOS, G20 Gen5 MOS, G21 Gen5 MOS, G22 Gen5 MOS, G23 Gen5 MOS, G26 Gen5 MOS, G34 Gen4 MOS, G34 Gen5 MOS, G35 Gen4 MOS, G40 Gen4 MOS, G41 Gen4 MOS, G45 MOS, and G47 MOS.
Which Glock MOS pistols does this adapter plate fit?
It is listed as compatible with Glock G17 Gen4 MOS, G17 Gen5 MOS, G17L Gen5 MOS, G19 Gen4 MOS, G19 Gen5 MOS, G20 Gen5 MOS, G21 Gen5 MOS, G22 Gen5 MOS, G23 Gen5 MOS, G26 Gen5 MOS, G34 Gen4 MOS, G34 Gen5 MOS, G35 Gen4 MOS, G40 Gen4 MOS, G41 Gen4 MOS, G45 MOS, and G47 MOS.
Which optics are supported?
The listed optic compatibility includes C&H EDC, C&H EDC Enclosed, Holosun 407K, Holosun 507K, and Olight Osight S.
Which optics are supported?
The listed optic compatibility includes C&H EDC, C&H EDC Enclosed, Holosun 407K, Holosun 507K, and Olight Osight S.
Which optics are supported?
The listed optic compatibility includes C&H EDC, C&H EDC Enclosed, Holosun 407K, Holosun 507K, and Olight Osight S.
What is the plate made from and how is it finished?
The plate is made from 6061 aluminum. The mounting hardware is stainless steel, and the plate has a MIL-SPEC Type III hard anodized black finish.
What is the plate made from and how is it finished?
The plate is made from 6061 aluminum. The mounting hardware is stainless steel, and the plate has a MIL-SPEC Type III hard anodized black finish.
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