As with everything it depends a great deal on condition of the gun, what not standard features it may have. I.E. type of sight standard buckhorn, receiver peep, bolt peep. Is the wood checkered or not, any damage to the wood or metal. Has the gun been altered from factory original, any extra holes drilled. ETC - not an easy answer.
your Winchester model 71 was made in 1956.
The gun was made in 1956.
Model 70 Winchester delux 348 i think.
The gun was made in 1936.
It was made in 1940
Made in 1949.
My 71 has a serial # 20xxx and is made in 1937.
With the serial number that you provided,your Winchester model 71 rifle was made in the year 1948.
With the serial number that you have supplied,your Winchester model 71 lever action rifle was made in the year 1941.Winchester made 2543 model 71 rifles that year.
You will need to check with a large gunshop, or with an on-line ammo supply company. It IS available- but you will not find it at WalMart. The price of .348 Winchester ammo may be a shock to you- it is about $4-$5 per cartridge.
Buy providing the serial number to your Winchester model 71 lever action rifle.
Your winchester model 71 rifle was made in the second year of production which is 1937.This also means that you have the long tang version of the model 71.