Sig Sauer RMR/SRO Sealing Plate Kit, Fits Sig P320 1303084-R Designed and tested specifically to mount the Trijicon red dot sights using the RMR footprint to the Sig Sauer line of pistols. The mounts are easy to install using the existing mounting points. Each plate is precision machined to ensure reliable, durable mounting and then hard anodized to protect against the elements.