Abstract: A modular wall system comprising a framing assembly supporting a plurality of wall panels. The framing assembly includes top members, bottom members, and studs extending between the top and bottom members for supporting the wall panels. Each stud has a generally rectangular cross-section with a front face, a back face, and left and right side faces. The front face has a recess therein with a longitudinally extending ridged trough therein for receiving threaded fasteners. The back face having an outwardly-opening generally C-shaped channel with a longitudinally extending ridged trough therein for receiving threaded fasteners.