Colt Mfg SP301327 1911 Optic Plate RMR Footprint Black Nitride Stainless Steel Pistols Elevate Your Colt 1911 To Modern standards With These High-Performance Optics Plates, engineered For Seamless Mounting Of Red Dot Sights. Crafted From High-Strength Stainless Steel And Coated With a Black Nitride Finish, These Plates Deliver Superior Corrosion Resistance And Abrasion Resistance, ensuring Long-Lasting Durability Even In Demanding environments. RMR Footprint Plate: Compatible With Trijicon RMR And RMR Type 2 Red dots (E.G., Trijicon RMR Rm06), Allowing For Fast Target Acquisition With Minimal Parallax And Wide Field Of View. Model: 1911 Material: Stainless Steel Mount Type: RMR Footprint