Not being a veteran Wikipedian, I'm not sure what additional references/citations they are looking for. You need to add in RMC; you omitted a date for the red-border RM2 (1989);
1. One area where you should cite something - Use a box out from Arms Law showing "22C krush" (cite page ref for latest edition) and compare this to D&D Citical Damage (again cite page ref) [if you summarize, I'd suggest using a screen grab of the page fragment and reference the image] ... the idea here is that ...
you never give personal opinion (or other people's opinion) - so show how damage is different; do not give the "accepted opinion"
you cite with page refs where you have taken this information
2. provide source information for specific statements
- Publication dates ... take the ISBN's and see if you can yank the info from the Library of Congress ... otherwise - make it clear what YOUR website is (e.g. - more than just a list of products, your website shows publication dates, ISBNs, etc. When you state a release date, reference the appropriate page on your site, even if this results in 20+ links to your website).
