Pictures can be deceiving as evidenced by the comments WRT the line of the butt plate extension relative to that of the comb. That is not a reason to avoid commenting, but it is the reason the recipient should consider the accuracy of comments and provide appropriate feedback. Analysis, discussion and the sharing of impressions and ideas should be the objective.
I scaled measurements and angles as best I could off the photos in RCA and made a full-scale drawing. I believe the drawing is reasonably accurate. After making adjustments for my chosen components, I rechecked the drawing against the original.
Here are a couple of pics that should be helpful in comparing the two.
The reference line is the top of the forestock. In my opinion, the angles and transition points are very close and the comb heights at the wrist are somewhat similar with mine perhaps a tad lower. The wrist on my project appears to be noticeably smaller in vertical cross section than the original, which might explain the apparent increase in comb height. As Rich had pointed out, there is a hump at the tang, which, I believe exacerbates the problem.
At this point, some things cannot be changed while others can. The wrist height at the comb cannot be increased, but the nose of the comb can be softened. I should be able to substantially reduce the hump at the tang, which, I believe, will significantly improve the appearance of the top line of the wrist. I have to look at how much I can do without substantially changing the angle of the tang bolt.
Some have commented on the tails of the lock and side panels and I agree those could be improved. Sketches of suggested changes would be warmly received.
There might well be other areas in need of improvement. I now see that the bottom line of the lower forestock is parallel to the top line on the original and slightly tapered on mine. At this point, that is a done deal and not something that I see as particularly bothersome.
Guys, I have already benefitted greatly from your feedback. Please keep it coming.