Get Night Fisions premium co-witnessing sights in the same pack as your optic plate. Night Fisions Pistol Optic Plates offer precision, durability, and value for shooters needing a mounting solution for their red dot sight. Crafted from premium 17-4 stainless steel and built to the tightest tolerances, these plates withstand harsh recoil and ensure a secure, accurate fit. The nitride coating provides extra protection, and each package includes extra screws and an installation tool for easy setup.Features :Compatible with Springfield Hellcat modelsFits Holosun 507k, and other optics with compatible mounting footprint Sights Co-Witness with most optics that share this footprintMachined from 17-4 Stainless Steel & Nitride coated