Did Iver Johnson make a 12 gauge choke bored sterling ejector genuine armory steel with number 3000?

Iver Johnson did produce shotguns, including models with choke-bored barrels and ejector systems, but specific model details can vary. The "Sterling" designation typically refers to a line of their firearms, and the number "3000" may refer to a model or production number. For precise identification and verification, consulting a detailed reference or firearms expert specializing in Iver Johnson models would be advisable.