#html-body [data-pb-style=MAUJ2VL]{justify-content:center;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=MAUJ2VL],#html-body [data-pb-style=X8O8IGY]{border-style:none;border-width:1px;border-radius:0;margin:0;padding:0}This C&H Precision optic plate provides a mounting solution for integrating the SIG SAUER ROMEO1 with your GLOCK MOS firearms (models listed below). Each plate is precision-machined in the USA from 6061 aluminum and finished with a MIL-SPEC Type III Hard Anodizing. This mount is engineered to provide a precise fit across the Gen 4 and Gen 5 GLOCK MOS platform. To guarantee a secure, long-lasting zero even under heavy recoil, this plate utilizes a patented 416 Stainless Steel T-Nut system that provides an industry-leading six to seven threads of engagement. Installation:The T-nuts (provided) fit into small pickets under the plate before the plate is seated in the optic cut on the slide. Then install the plate mounting screws (provided) and torque to 11-in lbs. Finally, install the ROMEO1 and use the 4-40 screws (provided) and torque to 11-in lbs. (1) Optic Plate for GLOCK MOS style handguns: Gen4 MOS: G17, G19, G34, G35, G40, G41Gen5 MOS: G17, G17L, G19, G20, G21, G22, G23, G26, G34, G45, G47 (3) M3 x 6MM Plate Mounting Screws. (3) 4-40 x .3125 BH ROMEO1 Optic Mounting Screws. (3) Patented 416 Stainless Steel T-Nuts. This product will NOT fit the new Gen6 optic cut. Note: This product does not support the ROMEO1PRO optic.