From what I have read so far it was made by mossberg. This is based on some articles I found doing a basic Google search of the firearm name and serial number.
Proofhouse.com has a store brand chart.
It is a Mossberg 500AB and they made it for Western Auto under their revelation name. So all 500 Mossberg parts are compatible with the gun. I hope this answer helps you with your question.
Mossberg
Your revelation R310C western auto shotgun is a Mossberg model 500C which was made by Mossberg and Sons for Western Auto.
int the year of Manufacture,I can say that you have a Mossberg model 500AB that was made for western Auto by Mossberg.The model 500 series of shotguns were made from 1962-1998.The value of your shotgun will range in price from 85-200 dollars depending on overall condition and a good bore.
revelation by mosseburg
Impossible to answer without access to Western Auto records.
Made for Western Auto by Mossberg- their model 353.
It is a Mossberg Mdl 353, made for Western Auto Stores, and marked with their Revelation brand.
Mossberg
The Revelation 115 is also known as a Savage Mdl 24.
the western auto model 120 was made by marlin.The marlin model 99 was made between 1959-1960.