What year was Winchester Model 50 rifle serial number 963990 made?

It is unfortunate that most records for the Winchester model 50 have been lost.The model 50 was made from 1954-1962.The serial numbers started at 1,000,and ended a serial number 196,400.Please check your serial number again and see if it is correct.If is not correct please repost and I may help date your model 50 with what info I have.