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The C&H Precision Weapons Springfield Hellcat RMSC adapter converts your Hellcat or Hellcat Pro's factory optic footprint to accept modern holographic sights like the Holosun 407K and 507K. Built by a family-owned shop in Coastal Georgia, these milling adapters give your compact carry gun the flexibility to run the red dot ecosystem you prefer without replacing the slide itself.

If you're running an RMSC-cut Hellcat but want the speed and reliability of a Holosun 407K or 507K, this adapter bridges that gap without gunsmithing. The machined aluminum construction handles the close-quarters demands of defensive carry, and stainless steel hardware resists corrosion in all conditions. Every adapter is CNC-machined to tight tolerances and inspected multiple times before it ships—the kind of attention you need when mounting glass.

This is a Made in the USA solution for shooters who've invested in Holosun optics and want them on their Hellcat platform. No permanent modifications, no trips to a gunsmith, just a straightforward plate swap to modernize your setup.

Key Features

• Converts Hellcat and Hellcat Pro RMSC footprint to Holosun 407K/507K mounting pattern
• Precision CNC-machined from 6061 aluminum for durability and repeatability
• Stainless steel mounting hardware resists corrosion and wear
• Made in the USA by a family-owned manufacturer in Coastal Georgia
• Multiple quality inspections before shipment

Frequently Asked Questions

Will this adapter fit my Springfield Hellcat Pro?

Yes. This adapter works with both the Hellcat and Hellcat Pro, converting the factory RMSC optic cut to accept Holosun 407K and 507K sights.

What holographic sights are compatible?

This adapter is designed for the Holosun 407K and 507K. It converts your Hellcat's RMSC footprint to the mounting pattern those optics use.

Does this require any gunsmithing?

No. The adapter is a direct plate solution—simply remove your existing optic and hardware, install the adapter plate with the included stainless steel mounting hardware, and mount your Holosun sight.

Is this made in the USA?

Yes. C&H Precision Weapons manufactures and ships these adapters from their facility in Coastal Georgia, and all mounting hardware is made in the USA.