The Model 5000 would be a Stevens and the Ranger name was sold by Montgomery Ward. This model was made c. 1923-1932.
Proofhouse.com has a store brand chart that might help.
Most likely Stevens they did make a model #5100
$150
50-200
A Model 37 is a "pump", so a double barrel could not be a Model 37
We've got quite a few parts for that model. sales@countrygunsmith.net
100-200 USD
No
any one with information or pics on peerless 12 gauge double barrel hammerless with 272562
I own a double barrel A.H. Fox Strerlingworth Fow 20. Gauge and it is worth $4500
$350
500