I recently bought some shotgun reloading equipment from an estate and ended up with over 7lbs of Winchester 452AA powder that is most likely from the early 80's. 2 of the cans looked to be still originally sealed so it should be fresh. My question is what can I do with it? I am newer to reloading and only have current manuals and see no mention of this powder. I read on various posts that I can also use it for loading 45 acp, which I have. I am also interested in loading it for 45 Colt if possible/safe and maybe 30 caliber rifle loads(30 carbine, 30-06, 308) if applicable . Does anyone have load data to offer? I am not fully set up for shotgun reloading yet as I am still acquiring the necessary tools, so I was not planning on using it for shot shells at this time. Oh yeah, I also got a couple hundred remington 57 star primers that look like 209 primers but just a bit smaller. Are they an outdated size that are no longer used? They look very similar to the remington 97 star primers I also got, but those boxes said "209 size" in parenthesis.