Customizable Picatinny scope ring mount [configurator]Use our custom builder to design the exact scope mounting rings you need for your setup. Regardless of your configuration, these steel rings are universally compatible with all Picatinny rails. They are constructed from high quality steel and feature a durable black anti reflective coating. What can be configured First, select your required ring diameter ensure this carefully matches the main tube size of your optic: 1 inch (25. 4 mm) diameter 30 mm