Where can you find a firing pin for J C Higgins 583.2?

You can find a firing pin for a J.C. Higgins 583.2 at various sources, including online retailers like Numrich Gun Parts or Brownells, which specialize in gun parts and accessories. Additionally, you might check with local gunsmiths or firearm repair shops that may have the part in stock or can help you source it. Online forums or communities dedicated to vintage firearms can also provide leads on where to find specific parts.