Abstract: A jaw member includes a body having an elongated distal portion extending distally from a proximal flange portion. The elongated distal portion includes a floor and a pair of sidewalls that cooperate to define a cavity having a first width extending between the sidewalls. One or more engagement features extends inwardly from one of the sidewalls into the cavity such that the cavity defines a reduced width at a location of the engagement feature. A jaw liner is slidable into the cavity to engage the jaw liner with the structural body. The jaw liner defines an at-rest width less than or equal to the first width and greater than the reduced width such that, upon slidable insertion of the jaw liner into the cavity, the jaw liner is compressed at the location and retained therein via an interference-fit engagement. Surgical instruments including the jaw member are also provided.