The short stock on the older RDX models was always an issue for me and I see TP now has an extension kit they sell for some of their newer models. Does anybody know if I can get this kit to fit an older Horton Storm RDX and an older TP Carbon Nitro RDX which both have the exact same stock? I don't care about visual appearance at all if it's not flush or an exact fit. I would just want it to be fully functional and safe. Thanks!