If everything is as it should be, matching #, not adjusted for excess wear, etc. The no rib, no checkering, and corn cob fore IS the the model 12 that works the best. The full choke is among the best ever made right up there with the Old Browning Auto 5, 12ga., Mag. No choke tubes can touch em. Mine has been my Turkey Swatter for many years, geese once in awhile with old bismuth NO TOX. One issue IS they were designed for a Roll Crimp, not a Star Crimp. Therefore 3" hulls can get hung up. No problem for me as I use 2 3/4" ammo most of the time. A 3" round can be the last shell in the magazine and Shuck that Mother like ya mean it cuz nothing sounds like the Model 12 action...Nothing. Bluing, ribs, checkering and pretty don't kill birds. Shotguns that fit and work like they are a part of you Do. That plain jane stock can be cut to proper length with no problem if need be, and recoil pad attached as I did with my plain Model 12, 16ga.
my 2 cents