Depends on the model number. Many different companies made rifles for Western Auto marking them with Western Auto's private brand. This also applied to Sears (J C Higgins) and Montgomery Ward (Westernfield)
Mossberg
The Revelation Model 105 .22 caliber rifle was manufactured from 1971 to 1988. It was made by Marlin and marketed by Western Auto.
The Revelation 22 Model R100B caliber rifle was manufactured by Mossberg. The company Western Auto Supply is known to sell both these rifles as well as the cartridges for the rifle.
The Revelation model R125B in .22 Long Rifle was manufactured by the Savage Arms Company. It was sold under the Revelation brand, which was a label used by the Western Auto Supply Company for firearms and ammunition. The R125B is a bolt-action rifle known for its reliability and accuracy.
Marlin; depends on the barrel and loads
It is a Mossberg Mdl 353, made for Western Auto Stores, and marked with their Revelation brand.
The Revelation model 120, .22 RF RIFLE was manufactured for Western Auto Supply by Marlin, its a generic model 60. Worth about $75-$125 dependent on condition. These guns generally have no collector value.
$75-$150, depending on condition. That is if your rifle is a semi-auto. It would be a Marlin 49. However, Western Auto also had a 150M, which is a Marlin 39A- Value $300-$450
The Revelation 330A series were shotguns, though some had rifled barrels, and sold by Western Auto but made by Mossberg. The 330 line was sold in the late 1960's to early 70s, without a serial number I can't tell you the exact year.
go to e-gun part
100-450 or so
25-60 or so