A surgical stapling device comprising: an elongate body ; and a tool assembly supported on a distal portion of the elongate body, the tool assembly including a cartridge assembly and an anvil assembly , the cartridge and anvil assemblies being movable in relation to each other between spaced and approximated positions; the cartridge assembly including: a staple cartridge supporting a plurality of staples; a support plate comprising a resilient protrusion ; wherein the surgical stapling device further comprises a clamp member configured to engage with the anvil assembly, the clamp member having an engagement member and a body supporting a knife ; and an actuation sled including a cam member and a stop configured to engage with the engagement member, wherein the stop includes a distal ramped surface such that the engagement member is configured to move from a distal side of the stop to a proximal side of the stop, wherein the resilient protrusion defines a stop surface to prevent proximal movement of the actuation sled, wherein in a pre-actuated state, the clamp member and the actuation sled are positioned in a nested relationship in which the knife of the clamp member is positioned distally of a proximal end of the cam member of the actuation sled, wherein during at least a portion of a firing stroke of the surgical stapling device, the clamp member is movable to position the knife proximally of the cam member. an elongate body ; and a tool assembly supported on a distal portion of the elongate body, the tool assembly including a cartridge assembly and an anvil assembly , the cartridge and anvil assemblies being movable in relation to each other between spaced and approximated positions; the cartridge assembly including: a staple cartridge supporting a plurality of staples; a support plate comprising a resilient protrusion ; wherein the surgical stapling device further comprises a clamp member configured to engage with the anvil assembly, the clamp member having an engagement member and a body supporting a knife ; and an actuation sled including a cam member and a stop configured to engage with the engagement member, wherein the stop includes a distal ramped surface such that the engagement member is configured to move from a distal side of the stop to a proximal side of the stop, wherein the resilient protrusion defines a stop surface to prevent proximal movement of the actuation sled, wherein in a pre-actuated state, the clamp member and the actuation sled are positioned in a nested relationship in which the knife of the clamp member is positioned distally of a proximal end of the cam member of the actuation sled, wherein during at least a portion of a firing stroke of the surgical stapling device, the clamp member is movable to position the knife proximally of the cam member. a staple cartridge supporting a plurality of staples; a support plate comprising a resilient protrusion ; wherein the surgical stapling device further comprises a clamp member configured to engage with the anvil assembly, the clamp member having an engagement member and a body supporting a knife ; and an actuation sled including a cam member and a stop configured to engage with the engagement member, wherein the stop includes a distal ramped surface such that the engagement member is configured to move from a distal side of the stop to a proximal side of the stop, wherein the resilient protrusion defines a stop surface to prevent proximal movement of the actuation sled, wherein in a pre-actuated state, the clamp member and the actuation sled are positioned in a nested relationship in which the knife of the clamp member is positioned distally of a proximal end of the cam member of the actuation sled, wherein during at least a portion of a firing stroke of the surgical stapling device, the clamp member is movable to position the knife proximally of the cam member. <EOS>