remove the buttplate screws, and the buttplate. In the large round hole in the stock is the stock bolt. That is unscrewed to remove the stock from the rifle.
The 190 is a plain stock and fore end the 290 has checkering on the fore end and stock. However the Early 290's Also have a plain stock.
The Winchester model 290 belongs to the Winchester 200 series of rifles that were introduced between 1963-1965.The model 290 was discontinued in 1976.
your Winchester model 290 was made as a group of models including the 250,270,255,275 and the 290.these were made from 1963-1976,with the model 290 being the last model made.
your Winchester model 290 was made between 1965-1973.
the best I can do is say that your Winchester model 290 was made between 1963-1976.
your Winchester model 290 in good condition should be in the range of 200-275 dollars.
The Winchester model 290 was introduced between 1963-1965 and was last made in 1976.
Your Winchester model 290 ranges in price from 90-200 dollars based on overall condition.
Proofhouse.com has Winchester sn tables.
Best left to a gunsmith.
your Winchester model 290 was apart of the 200 model series which included the model250 270 290 255 275.the model 290 were made between 1963-1976.the total production of all models were 1,600,000.With your serial number I would guess around 1970.