Going to go out in a limb and say that files for gun companies trade marks technical details aren't going to be kicking about the internet. This going to be a case of finding every reference photo you can and scale off then to get you details.
As BigStew said, finding roll marks is hard enough as is for common rifles. You'll need to either draw up the markings yourself by looking at references or get somebody to do it for you. There's some nice clear images of the markings at least;
I know from experience Joe at "West Lasers" will draw up designs for you for a small cost.