Get one of the most rugged ways to mount an optic to your favorite handgun from C&H Precision. They achieve this with the use of detailed machining and quality materials. Starting with the plates 6061 aluminum for a more rugged mounting solution. Further strengthening this plate is the use of stainless-steel mounting hardware. This combination gives this plate maximum stability when compared to polymer mounting options.Specifications and Features: C&H Precision Item Number: SGx-RSH-GDT-ST CNC Machined from Billet 6061 Aluminum Hard Coat Type III Anodizing Stainless Steel Mounting Hardware Made to fit MOS equipped Glock Pistol Cut for Common Glock Rear Sights V4 MIL / LEO Plates are .095" to .099" thick Color: Black Made in the USA Fits : Trijicon RMR, SRO, Holosun 407C, 507C, 508C, 508T and Similar Optics SIG Sauer P320 pistols