to test it take apart a 410 slug and see if it fits through
Model 225 (usually stamped on the bottom of the reciever)
Stevens 107b is a fixed cylinder bore. So in other words, no choke and not able to be choked.
Yes it is full choke
need information on stevens-springfield model 37 410 shotgun
Measure it, or have a gunsmith measure it, with a choke gauge.
Look up J. Stevens model 56
It is the same as a springfield 511 of Springfield, Savage & Stevens
76 years
The Stevens "Springfield" Model 83 was manufactured from 1935 to 1939. Value is between $40 to $75.
Try e-gunparts.com
The stevens model 84C was produced from 1936-1945 in the amount of 99,500 guns.
The Springfield Model 84 was made by J. Stevens Arms Company, Chicopee, Mass.