With the new-ish Axis II XP (with the accutrigger), do the same old axis aftermarket stocks fit it? Or does the new accutrigger design on them change up some things.

Also, just to quadruple-double check, any aftermarket varmint contour barrel will thread and fit fine (other than channeling the stock) with its integrated recoil lug.

Looking to build on the Axis platform for paper punching.

Thanks for your input.