Hi Robert, this comes with the Mossberg Accu-Choke Set (Improved Cylinder, Modified, Full) and torque Wrench : google.com/search?q=mossberg+accu-set+choke+system&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiInvDFxKbVAhUJOT4KHRmEAmcQ_AUICygC&biw=1280&bih=620#imgr
