An apparatus, comprising: (a) a body; (b) a shaft extending from the body, wherein the shaft defines a longitudinal axis; and (c) an end effector in communication with the shaft, wherein the end effector is operable to compress, staple, and cut tissue, wherein the end effector comprises: a lower arm configured to hold a staple cartridge, an anvil body (520/620) movable between an open position and a closed position, wherein the anvil body comprises a longitudinal slot (542/642), a curved anvil tip (519/619), wherein the curved anvil tip is configured to be selectively secured with a distal end of the anvil body, wherein the curved anvil tip is elastically deformable and configured to deflect in response to a clamping force applied to the curved anvil tip; and characterised in that the curved anvil tip comprises an opening (532/632) extending from a distal end of the curved anvil tip to a proximal end of the curved anvil tip, and wherein the end effector further comprises a tapered shim (540/640) configured to be received within and extend through the opening of the curved anvil tip, wherein the shim further extends within a portion of the longitudinal slot of the anvil body, and wherein the shim is configured such that engagement between the shim and the longitudinal slot of the anvil body selectively secures the curved anvil tip with the anvil body. (a) a body; (b) a shaft extending from the body, wherein the shaft defines a longitudinal axis; and (c) an end effector in communication with the shaft, wherein the end effector is operable to compress, staple, and cut tissue, wherein the end effector comprises: a lower arm configured to hold a staple cartridge, an anvil body (520/620) movable between an open position and a closed position, wherein the anvil body comprises a longitudinal slot (542/642), a curved anvil tip (519/619), wherein the curved anvil tip is configured to be selectively secured with a distal end of the anvil body, wherein the curved anvil tip is elastically deformable and configured to deflect in response to a clamping force applied to the curved anvil tip; and characterised in that the curved anvil tip comprises an opening (532/632) extending from a distal end of the curved anvil tip to a proximal end of the curved anvil tip, and wherein the end effector further comprises a tapered shim (540/640) configured to be received within and extend through the opening of the curved anvil tip, wherein the shim further extends within a portion of the longitudinal slot of the anvil body, and wherein the shim is configured such that engagement between the shim and the longitudinal slot of the anvil body selectively secures the curved anvil tip with the anvil body. a lower arm configured to hold a staple cartridge, an anvil body (520/620) movable between an open position and a closed position, wherein the anvil body comprises a longitudinal slot (542/642), a curved anvil tip (519/619), wherein the curved anvil tip is configured to be selectively secured with a distal end of the anvil body, wherein the curved anvil tip is elastically deformable and configured to deflect in response to a clamping force applied to the curved anvil tip; and characterised in that the curved anvil tip comprises an opening (532/632) extending from a distal end of the curved anvil tip to a proximal end of the curved anvil tip, and wherein the end effector further comprises a tapered shim (540/640) configured to be received within and extend through the opening of the curved anvil tip, wherein the shim further extends within a portion of the longitudinal slot of the anvil body, and wherein the shim is configured such that engagement between the shim and the longitudinal slot of the anvil body selectively secures the curved anvil tip with the anvil body.