Once again faced with financial hardships, Spencer's company and his patents were purchased circa 1890 by Francis Bannerman & Sons of New York who continued to manufacture his shotgun until around 1907.
Spenseris vėl susidūrė su finansiniais sunkumais, tad jo kompanija ir jo patentai buvo nupirkti apie 1890 m. Nupirko kompanija Francis Bannerman & Sons iš Niujorko, kuri ir toliau gamino Spenserio šautuvą iki maždaug 1907 m.