A reload assembly for a surgical stapling system, the reload assembly comprising: an elongate shaft having a proximal end and a distal end and defining a longitudinal axis extending between the proximal end and the distal end; a jaw assembly articulably coupled to the elongate shaft at the distal end of the elongate shaft, the jaw assembly comprising: a first jaw comprising a reload support configured to receive a staple reload; a second jaw pivotably coupled to the first jaw, the second jaw comprising an anvil surface; an actuation beam longitudinally slidable within the elongate shaft to actuate the jaw assembly, the actuation beam having a proximal end and a distal end; an articulation link longitudinally slidable within the elongate shaft to articulate the jaw assembly relative to the elongate shaft, the articulation link having a proximal end positioned adjacent the proximal end of the elongate shaft and a distal end pivotably coupled to the jaw assembly; a support link longitudinally slidable within the elongate shaft, the support link having a proximal end extending longitudinally to a distal end pivotably coupled to the jaw assembly; and an articulation latching mechanism positioned within the elongate shaft between the proximal end and the distal end, the articulation latching mechanism having an unlatched configuration in which the articulation link and the support link are slidable within the elongate shaft and a latched configuration wherein the articulation latching mechanism engages at least one of the articulation link and the support link to prevent longitudinal sliding of the articulation link and the support link; characterized in that: the articulation link comprises a first plurality of teeth formed thereon between the proximal end and the distal end of the articulation link, and the articulation latching mechanism comprises: a first shoe having a first pawl surface formed thereon, the first shoe engageable with the first plurality of teeth; and a biasing member coupled to the first shoe and biasing the first shoe out of engagement with the first plurality of teeth. an elongate shaft having a proximal end and a distal end and defining a longitudinal axis extending between the proximal end and the distal end; a jaw assembly articulably coupled to the elongate shaft at the distal end of the elongate shaft, the jaw assembly comprising: a first jaw comprising a reload support configured to receive a staple reload; a second jaw pivotably coupled to the first jaw, the second jaw comprising an anvil surface; a first jaw comprising a reload support configured to receive a staple reload; a second jaw pivotably coupled to the first jaw, the second jaw comprising an anvil surface; an actuation beam longitudinally slidable within the elongate shaft to actuate the jaw assembly, the actuation beam having a proximal end and a distal end; an articulation link longitudinally slidable within the elongate shaft to articulate the jaw assembly relative to the elongate shaft, the articulation link having a proximal end positioned adjacent the proximal end of the elongate shaft and a distal end pivotably coupled to the jaw assembly; a support link longitudinally slidable within the elongate shaft, the support link having a proximal end extending longitudinally to a distal end pivotably coupled to the jaw assembly; and an articulation latching mechanism positioned within the elongate shaft between the proximal end and the distal end, the articulation latching mechanism having an unlatched configuration in which the articulation link and the support link are slidable within the elongate shaft and a latched configuration wherein the articulation latching mechanism engages at least one of the articulation link and the support link to prevent longitudinal sliding of the articulation link and the support link; characterized in that: the articulation link comprises a first plurality of teeth formed thereon between the proximal end and the distal end of the articulation link, and the articulation latching mechanism comprises: a first shoe having a first pawl surface formed thereon, the first shoe engageable with the first plurality of teeth; and a biasing member coupled to the first shoe and biasing the first shoe out of engagement with the first plurality of teeth. a first shoe having a first pawl surface formed thereon, the first shoe engageable with the first plurality of teeth; and a biasing member coupled to the first shoe and biasing the first shoe out of engagement with the first plurality of teeth.