This would be worthwhile especially if you are loading Swifts for other cartridges. https://www.swiftbullets.com/pages/reloading-manual

As you have seen not a good idea to arbitrarily use data from other sources on Swift bullets as they are unique.


"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli