You will have to contact SIG to find out.
Are you looking for a specific model or action type? Have you tired doing an internet search for "parts of a rifle"?
All parts are stamped with the exact same serial number, indicating that they're all original to the rifle.
We have virtually all the parts for most Marlin models. sales@countrygunsmith.net
pushy
It would take a textbook or more to name them all.
Any gun stores at all around your parts.
Crosman still had parts available for this rifle. They also have, on their web page, a link to all their parts and manuals. try http://www.crosman.com/airguns/service/manuals
Arms legs heart and feet
Need a detailed description of all markings on all parts of the rifle.
The oceans have different names so people can refer to the different parts by name. It is the same concept as to why your body has different parts that have different names. Hope this helps! :)
In good condition, with all working parts, around $150.
See the link below it has all the Crosman Owners and Parts manuals online.