Enjoy added peace of mind when mounting an optic with the C&H Precision V4 MIL/LEO Holosun® 407k / 507k Optic Mounting Plate for Glock® MOS. This aftermarket mounting plate features an easy-to-install design, all of the mounting hardware is replaceable, so you don’t have to worry about replacing the whole plate if any mounting hardware is damaged. The CNC-machined 6061 aluminum constructed plate and stainless steel mounting hardware, provide a strong, sturdy base and a snug, secure fit for your Holosun 407k or 507k optic. Further, a patented stainless steel T-nut provides six to seven threads of engagement for added security and the ultimate secure fit. Plus, each plate features a MIL-SPEC type III hard anodized coating for long-lasting corrosion resistance in virtually any tactical environment. Compatible with Holosun 407k and 507k optics ONLY.