The targetmaster was manufactured from 1936-1939 everything after 1920 has the date code stamped on the barrel. The details for this can be found on the Remington Society of America here: http://remingtonsociety.com/rsa/questions/barrelcodes
No but you can by the barrel code, check the Remington Society of America page: http://remingtonsociety.com/rsa/questions/barrelcodes
They were made from 1939 until 1962. There is a 3 digit code on the left side of the barrel just in front of the receiver. The first two letters indicate the date of manufacture. You need to look at a barrel code list and match them up.
Details here: http://remingtonsociety.com/rsa/questions/barrelcodes
Remington Model 552 Speedmaster
By serial or the date code if made after 1920, see related links for date code information on the Remington Society of America.
They month and year can be determined by the barrel code, all the details can be found on the Remington Society of America here: http://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.
It was made in 1926, you can get the month/year from the link I'll add here in a second that has all the details;) (Remington Society of America)
By the serial number and markings on the barrel.
The Remington Model 29 Pump Action shotgun was manufactured from 1930 to 1933. Approximately 38,000 produced.
I BELEIVE YOU HAVE A MODEL 241. IS THIS RIGHT??