Which cartridges are produced the most and are readily available I am mostly looking for handgun and rifle cartridge lists that are accurate for rifles 223 or 556, 762, 30-30, 308, an 30-06 of what I know and for hand guns
9mm 45acp 38spl 357mag 40s&w 44 magnum 41mag and maybe 380 an 357 sig any links to accurate list would be much appreciated  shotgun ammo 12 gauge 20 gauge 410 period oh an dont worry about the 22 it reigns supreme so links once again

I think you pretty much listed all of the most popular calibers.