ks7 butt-pad chock single point sling

Does anyone know if the following KSG accessories work on the KS7? PART KSG-810 Extended butt-pad PART KSG-515 Single point sling attachment PART KSG-437 Choke tube adapter PART-BRL KSG Barrel ring lug (6 notch) Yes, I have all of them. And yes I have submitted an information/claim request to...