Where to buy carrier lifter for 16 ga jc Higgins 583-1101?

You can purchase a carrier lifter for the 16 ga JC Higgins 583-1101 from various online retailers such as Numrich Gun Parts, Brownells, or eBay. Additionally, checking with local gun shops that specialize in vintage firearms might yield options. If you're unable to find the part, consider reaching out to gunsmiths who may have access to custom parts.