Forward Controls Design SIG Romeo2 Full Size Glock Gen 5 MOS Adapter Plate Black OPF-G Romeo2. Featuring tight tolerances and front/rear fences it ensures minimal movement and a stable fit for your optic. Made from heat-treated billet 4140 steel with a black nitride coating for added durability. Note: The OPF-G-Romeo2 adapter plate comes with plate to slide mounting screws but not the sight to plate screws that come with the SIG ROMEO2 sight. This plate is not compatible with older ROMEO1 and ROMEO1 PRO models. Specifications for Forward Controls Design SIG Romeo2 Full Size Glock Gen 5 MOS Adapter Plate: Manufacturer: Forward Controls Design Fabric/Material: 4140 Steel Color: Black Finish: Nitride Gun Make: Glock Gun Type: Pistol Package Contents: Forward Controls Design SIG Romeo2 Full Size Glock Gen 5 MOS Adapter Plate Forward Controls Design OPF-G Romeo2: SIG Romeo2 Full Size Glock Gen 5 MOS Adapter Plate Black