Does anyone know when the Remington 870 Wingmaster was Introduced

[snake Dr]

As above.

[John Browning]

1951

[OIF0708]

As stated above 1951.

http://en.wikipedia.org/wiki/Remington_Model_870

Mine was made in 1971 and is just a few numbers over the one million serial number. Now,there are over 10,000,000 sold.

[RayPDA]

1950 -

http://www.remingtonsociety.com/rsa/journals/870