According to: www.fountainfirearms.com/invlist/shotguns_list.htm COAST TO COAST CC660 20GA 27 BLUE SHOTGUN P $195.00
No way to answer without knowing which Winchester you are taling about, i.e., rifle model, shoutgun model, caliber/gauge.
how do you disassemble a model 49 ithaca 22 rifle
Which model??
Receiver
Best left to a gunsmith
Watch this video.
Best left to a gunsmith
http://www.swishercs.com/winchester/
Ask a gunsmith to show you.
To disassemble Savage Model 29, separate the operating handle from the breech bolt. Move it halfway before pushing down.
the value of a expert trap 16 gague cerial x1832