This C&H Precision adapter plate provides a low-witness mounting solution to fit Holosun 407K and 507K reflex sights to the Staccato Duo slide. The plate is precision machined on HAAS CNC equipment and finished with an anodized black coating. Mounting screws are included, and all mounting hardware is replaceable so individual components can be serviced without replacing the entire plate. The plates are designed and produced by a small family-owned manufacturer in Coastal Georgia and undergo multiple quality checks before shipping.
Key Specifications
- Mount designed specifically for optic attachment to the Staccato Duo.
- Optic Specific Mounts subcategory indicating compatibility-focused design.
- Staccato Duo model compatibility for slide pattern fitment.
- Staccato fitment designation for platform compatibility.
- Anodized finish for corrosion resistance and low-reflectivity surface treatment.
- Black color to match standard handgun finishes.
- Compatible with Holosun 407K and 507K reflex sights as specified by the adapter design.
- Precision machined on HAAS CNC machines to maintain tight tolerances.
- Patented stainless steel T-Nut providing six to seven threads of engagement for durable retention.
- Mounting screws included and all mounting hardware is replaceable for serviceability.
Cleanly engineered and focused on fit and function, this adapter plate is a straightforward solution for integrating Holosun 407K/507K optics with the Staccato Duo slide. Its replaceable hardware and robust T-nut design make it a practical choice for shooters who value serviceable, precision components in their optics mounting setup.





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