C&H Precision Springfield OSP to Holosun 407K / 507K Adapter Plate
Not Yet Rated | Write the First Review SKU: 222-C&H-SA-OSP-HOLOK
UPC: 616943734508
MFG#: SA-OSP-HOLOK

C&H Precision Springfield OSP to Holosun 407K / 507K Adapter Plate – Precision CNC Mount

Transform your Springfield Armory OSP into a red-dot-ready powerhouse with our Springfield OSP to Holosun 407K / 507K Adapter Plate. Designed for perfect fitment, this plate lets you mount your Holosun micro-optic directly to your Springfield XD-M OSP, XD-S Mod.2 OSP, or Hellcat OSP without slide milling or permanent modification.

CNC-machined from aerospace-grade 6061 aluminum and finished with a Type III hard anodize, this adapter offers both rugged durability and a sleek, low-profile look. Installation is straightforward—simply replace the factory cover plate with our adapter, torque to spec, and you’re ready to zero your optic. Every kit includes all necessary hardware, ensuring a rock-solid connection that holds zero even under heavy recoil.

Whether you’re upgrading your EDC setup, building a competitive pistol, or just want faster target acquisition, this mount bridges your Springfield OSP to the proven performance of Holosun’s 407K and 507K optics with zero guesswork.

Key Features

• Exact Fit: Engineered for Springfield OSP models including XD-M, XD-S Mod.2, and Hellcat.
• Optic Compatibility: Holosun 407K, Holosun 507K, plus other RMSc-footprint optics.
• Premium Build: CNC-machined 6061 aluminum with Type III hard anodize for maximum durability.
• Low-Profile Design: Keeps your optic closer to the bore axis for faster sight alignment.
• All Hardware Included: Comes with screws and tools for a secure, precise install.
• No Slide Milling: Installs in minutes using your existing OSP cut.

Upgrade your Springfield XDM OSP with this precision optics adapter plate—engineered for a secure, perfect fit with a wide range of popular micro red dot sights. Whether you’re running a Holosun 407K, 507K, or another RMSc-footprint optic, this plate makes installation simple and rock-solid without slide milling. For more mounting options, you can browse our full selection of red dot sight mounts for all firearms, or explore even more pistol-specific upgrades when you shop all Springfield Armory accessories and upgrades. If you’re still deciding on glass, check out our curated lineup and find the perfect Holosun optic for your Springfield OSP pistol. Durable, low-profile, and easy to install, this adapter plate is the ideal upgrade for faster target acquisition and enhanced shooting performance.

FAQ – Springfield OSP to Holosun 407K / 507K Adapter Plate

Q: Which Springfield models will this fit?
It fits Springfield XD-M OSP, XD-S Mod.2 OSP, and Hellcat OSP models with factory optics-ready slides.

Q: Does it work with other optics?
Yes. While designed for Holosun 407K and 507K, it also supports many RMSc-footprint red dots.

Q: Will I need a gunsmith to install it?
Most users can install at home with basic tools, but a gunsmith is recommended for optimal fit and torque.

Q: Does it co-witness with factory iron sights?
On most models, standard-height irons will not co-witness—suppressor-height sights may be required.

Q: Is all hardware included?
Yes. The kit includes screws sized for Holosun optics and your Springfield OSP slide.