Made for Western Auto Stores, probably by HD or Crescent.
It was made by Mossberg. They had an identical model 183t.
Blue Book of Gun Values might help you.
See: http://www.gun-data.com/tour7.html this may help you.
If your Revelation is a bolt action 12 g shotgun, these were made for Western Auto by Mossberg as their Model 395. There is little information on these, but they were made from 1964-1983. If your gun has a serial number, it was made after the 1968 Gun Control Act- serial numbers not required prior to that. Sorry we can't narrow it down than that.
Impossible to answer without access to Western Auto records.
Blue Book of Gun Values has a store brand chart
50-200 or so
The gun is a semiautomatic .22 rifle made by Mossberg. Not much of an accessory market for that gun. What are you looking for? sales@countrygunsmith.net
The Revelation brand was made by Crosman Air gun. Crosman offers a free service to "Find a service center" on their Crosman home page. It will give you the location of several places that repair Crosman air guns. See the related link.
Auctions, gun shops, gun shows, want ads
The gun was made by Mossberg. We have new magazine spring assemblies for $17.00. gunshop@nctv.com
I can't tell you how old it is, but I can tell you it's a "Savage model 94D" made for Western Auto under the Revelation brand name.