Good rifle, good caliber for most uses. Did you have a specific question?
Impossible to answer without the serial number.
see below
Yes, you need to use large rifle magnum primers.
500 or so
100-500 or so
Long action.
150-300 USD
Virtually none since it has been fired. Value range of about 350-500 USD.
Winchester lists the ballistics of the ammunition it sells.
50-500 USD depending on specifics
100-1000 usd