Yes! Crosman made all the BB Guns/Rifles for Western Auto under the Revelation brand name. (Unfortunately you did not state the model number so I can't tell you exactly which Crosman model it relates to.) So here is a suggestion. Crosman has Most all their manuals online you will have to go through all of them to find your model. See the link below.
Crosman offers a free service to locate shops that repair older Crosman airguns. See the link below. Or locate a repair shop with #2 link below.
Crosman offers a service to locate repair shops that work on Crosman antiques. See the link below
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.
The Revelation air gun was made by Crosman for Western auto stores. In reality it is a Crosman model 760. Crosman offers a service to locate shops that repair older Crosman models. I suggest you go to the CROSMAN home page and scroll to the very bottom of the page and click on "Service Centers" you will find help there.
Check the model number. If it starts with 799. it was made by Daisy. If it starts with 126. it was made by Crosman. If it is a Crosman (126.) model then Crosman offers a locater service (Free) to locate repair shops that repair older Crosman airguns. If it's a Daisy (799) model then I suggest you contact Daisy and ask them.. See the two links below.
This air rifle was made by Crosman air gun company. In reality it is a Crosman model V350. Crosman has the parts manual online See the link below. Crosman also offers a service to locate shops that repair older Crosman air rifles.
Crosman offers a service to locate repair shops that fix Crosman airguns that are out of warranty (antiques) See the link below. For the parts manual see the link #2 below
Both Crosman and Daisy made air rifles for Sears under the JC Higgins brand name. Your model 126.19330 was made by Crosman and is a Crosman model 166 HAHN Super BB repeater made between 1958-71. Crosman no longer offers parts for this rifle BUT they do offer a service to locate repair shops that rebuild older Crosman airguns. see the links Below.
It all depends on how old the Crosman air gun/rifle is. Some parts are available from Crosman and some are available through other resources. Crosman offers a service to find repair dealers who repair older airguns if they do not have the parts currently. see the link below. Crosman also has parts manuals and owners manual online. See the link below.
You have two choices. Attempt it yourself "see the link below for the parts manual" or use Crosman service to locate a repair shop that repairs old air guns. (see the link #2 below)
Crosman offers a free service to locate shops that repair Crosman products. See the link below
This Crosman was made between 1960-1970. Crosman no longer repairs these guns. However you can look up on the web under (Airgun Repair) and find someone near you to repair it. Crosman offers a service to locate repair shops to repair older Crosman air guns and rifles. See the link below.