Which Model?
Springfield
Stevens, as their Model 94.
mossberg
Your revelation R310C western auto shotgun is a Mossberg model 500C which was made by Mossberg and Sons for Western Auto.
45$
Proofhouse.com has a store brand chart.
gunpartscorp.com/catalog/Products.aspx?catid=10889 The part number would be 67710B. The gun was a Western Auto gun and originally made by Mossberg.
If your model 330 is a bolt action SHOTGUN, it is a Mossberg 183. These are good, durable, reliable shotguns, but not very high value. Depending on condition, these seem to retail for $65-$95 or so.
Mossberg made that shotgun for Montgomery Ward's Western Field fun line. It was the Model 185 in Mossberg shotgun line.
Try a Mossberg Model 385K. This is what it was originally
Bolt action .410? Your SHOTGUN (not a rifle) was made by Mossberg as a Model 183 for the Western Auto Company, using their Revelation brand name. Values are not high- $75-$150, depending on condition. Despite the price tag, these were durable, well made shotguns, and were the first shotgun for a lot of youngsters, a tool for the farmer, etc.