The goal of this paper is to provide an analysis of Russian plural declension classes against the background of two conflicting views on the morphosyntax of number and gender features: as two separate nodes or as a single bundle. I argue that the realization of case endings in the Russian plural declension is sensitive to the gender of the stem and demonstrate that, contrary to frequently held assumptions, not only is gender morphologically active in the plural despite full neutralization in syntax, but plural and singular stems can in fact differ in gender.