Been out of the reloading business for about 20 yrs; looking to restart. What's the shelf life of open containers of smokeless powder? Primers? Also need some bullets. Got a good source for .357 plinking projectiles?
Powder containers have caps installed. Stored in a garage workshop, ambient humidity, temp ranged from 40 to 90. Looking for garden variety 158 gr RN plated or jacketed.