The Model 761XL was manufactures between 1978-81. It'd no longer on the market.
The Model 761 made by Crosman was made between 1978 to 1981. It is no longer in production. Therefor no one has a new one for sale.
It would be wort around $50 + or - $10
The Crosman Phantom is still in production and sells for $90
{See the link below}. Some parts are still available from Crosman directly
Crosman still has parts available for this model. See the links below for the parts manual and Crosman customer service.
Crosman still has parts available for this Springmaster model 795. See the attached link at the bottom of this page for a list of parts and the telephone number for Crosman.
Crosman Corp still has the Owners Manual online. See the link below)
Crosman still supports this air pistol. See the link below.
There are 4 versions of the 2200 mag. Crosman still has parts for them. Contact Crosman at the link below. Also see the parts manuals at the link below
Crosman still has parts for this rifle. contact Crosman at the link below (Customer service) and order the parts you need.
If it's still under warranty I would send it back to Crosman or at least contact customer service at Crosman. WWW.Crosman.com
The Crosman 130 was made from 1955 to 1970. It is no longer on the market. The condition and demand determine the price you will pay. Anything Goes. However if you had one that was brand new and still in the box it would sell for around $85 today.