I can start by saying your serial number indicates that your Winchester model 52 bolt action 22cal.rifle was one of 3,787 rifles made in the year 1937.Winchester made 125,419 rifles during a time span between 1919-1979.Your model should be the model 52 sporter with a 24in.round light weight barrel with a front sight cover,sporting style select walnut stock with cheekpiece,hard rubber pistol grip cap,and a hard black plastic tipped forearm.The buttplate should be steel and checkered.a 5 shot magazine was issued with the rifle.If you have a model 52A,which was introduced in 1937 this signifies that the receiver and locking lug was strengthened.I hope that you find this informative.