The Sauer S404 Mount for Liemke Sperber 19/35, manufactured by Innomount, is a premium quick-detach thermal optic scope mount custom-tailored for the Sauer 404 rifle ecosystem. Specifically designed to adapt Liemke Sperber 19 and Sperber 35 thermal scopes directly to the integrated Sauer Universal Mount (SUM) receiver profile, this sleek mount eliminates the need for traditional rings. Constructed from high-strength aluminum with key steel stress components, it features toolless, quick-release locking levers that provide absolute return-to-zero repeatability and heavy-recoil stability under intense field conditions.