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