100-300 USD
The Stevens Model 520 was built on a Browning patent and so marked. Stevens also built the gun for Sears before World War II under the 'Ranger' tradename, so if you have a slide-action shotgun marked 'Ranger' and 'Browning Patent' then that is what you have.
what is a Browning Ranger Repeting Shotgun
No sn data in the public domain.
Browning did not manufacture the gun. The gun was made by Stevens, using a Browning patent. Value is minimal, below $200.
Ranger on Browning Patent This was sold by Sears , but made by Stevens between 1912 and 1942. It was not made by Browning. Typically they are valued between $100-$250 depending on condition.
No browning did not,but winchester made a ranger model pump action shotgun.
They were made in the 1930s and there is no serial list by year. These are NOT Brownings but were made for the SEARS store by various makers, but not the Browning Arms Co. It was built on Brownings patent and made by Stevens.
OK, what is your question?
Thes guns are not Brownings, but just built on his patent. Typically Ranger pump shotguns sell between $150 and $300
You will have to call Browning with the sn to find out.
what is the age of a browning ranger repeating 12 ga shotgun serial number 45579 b
No not to my knowledge but Winchester did.