Well, it’s there, but some of it is dated, and I haven’t checked to see if all powder companies are listed. It’s not like you can get the latest and greatest at your fingertips.
For instance, if I enter 9mm and 124 grain for bullet, and Hodgdon, then Hodgdon powders do indeed show up but the only bullet listed is Berry’s. If I keep messing with it, I get there, but I can’t do it by bullet manufacturers.
I maintain a large print library and that’s my go-to, and what I’d recommend as a base - or maybe I’m just old and like the feel of a book. Book and full catalogue downloads have all the fine print, which is a very good thing. Abbreviated load data can cause issues.
Most component companies have their data out there free for download anyway. Sierra’s is a free AP and is very good, and I do subscribe to Hornady’s. I’ve got Accurate, Alliant and Ramshot downloaded to my phone. It’s handy to be able to reference in the field.
I’m like you in that I was curious for a long time, and it’s fairly cheap. I’ve subscribed to Handloader for a lot of years, and hoped this would have all those caliber articles, but although the load data may be included, the actual articles are not. For that you need to buy an expensive disc set. Naw, I don’t need the articles that bad. However, everything there can be downloaded and printed. I just haven’t messed with it enough to be too helpful. It’s pretty good for some of the more recent rifle cals.
Here’s a clip to hopefully help some.
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