I was informed that' some Morsel shotguns were made by Navy Arms Co.
savage,springfield arms co.
Baker Gun Co of Batavia NY
Late 1800-early 1900
Red Chieftain shotguns were made by Crescent Arms Arms Co and J Stevens Arms Co for the Supplee-Biddle Hardware Co.
Delphian Arms Co shotguns distributed H&D Folsom Sporting Goods were either manufactured by Crescent Arms Co (Norwich, CN, 1892-1931) or imported from Belgium. The same name was also used by Supplee-Biddle Hardware on Fulton Model shotguns manufactured by Hunter Arms Co. (Fulton, NY, 1890-1945).
Nikko shotguns are made by the Japanese gun manufacturer Nikko Arms Co., Ltd. They are manufactured in Japan.
You'll probably have to find a gunsmith who can make your parts. Shotguns marked Baker Gun Co were made in Belgium or by Crescent Fire Arms, Meriden, CT, for H & D Folsom in the early 20th Century.
FN is the abbreviation for Fabrique Nationale Arms Co. of Herstal, Belgium. They made most of the A-5 shotguns and Superposed shotguns for Browning USA.
Beebe shotguns were made by one of two two manufacturers. Harrington & Richardson Arms Company made them from 1871 to about 1975. Hopkins & Allen made shotguns from 1868 to 1915.
the best
AYA, out of Spain, made some SXS shotguns with Revel on the receivers. I own one in .410 and it was a very beautifully made double barrel. It has hand select walnut wood and waqs finely finished.