Calculated Kinetics
Springfield Hellcat OSP adapter plate for Holosun 407K, 507K, EPS Carry, and SCS Carry optics
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Calculated Kinetics Springfield Armory OSP Hellcat Adapter Plate, Black, HELLCAT-MRMSC
Calculated Kinetics' Hellcat OSP adapter plate supports Holosun K/EPS Carry footprint optics on Springfield's OSP cut. CK notes that the Hellcat Pro uses the same OSP cut and includes hardware, Torx bits, Vibratite, and instructions.
Add the Calculated Kinetics Hellcat OSP Holosun K Adapter Plate to your build and see how it enhances your platform.