Perfect condition, 28" BBl with Rem chokes, $350.00. Short rifle sighted slug BBl with no chokes $290.
Check the Remington Society of America, date barrel codes and location. http://remingtonsociety.com/rsa/questions/barrelcodes
100-350 USD
Contact Remington Customer Service through their website.
http://remingtonsociety.com/rsa/questions/barrelcodes
Made by the Remigton Firearms Company.
The W ahead of the serial number indicates that your Remington 870 wingmaster was made in 1972.
They are all still made in Illion, New York, I believe.
Check this table for the answer: http://www.remingtonsociety.com/rsa/questions/barrelcodes
To determine the exact value of a Remington Wingmaster 20 gauge model 870, a few different things would need to be taken into consideration. Some of these things would be the age and condition.
Go to the Remington Society of America and click the Manufactured link, it has the location and barrel codes for month/year of manufacture.
Remington Society barrel code lookup: http://remingtonsociety.com/rsa/questions/barrelcodes
Look at the date code stamp on the barrel, see related link.