No
Yes. The gas ports on the 1400 barrel will fill up with dirt/powder residue but it will work fine. I have been using an cut down 1400 barrel on my 1300 for many years.
No
No
At this time no,there are not any available.You could have a model 1300 slug barrel redone and have the gas ports added to this barrel.Then it will work fine in your model 1400 Winchester shotgun.
No
Any barrel will fit only if you replace the tube also to a conventional 1300 tube.
no
NoThis is from the Winchester Website:How versatile are the Model 1300 barrels? Will they fit earlier or different models?The Model 1300 barrels will fit Model 1200 receivers, but 1200 barrels will not fit a Model 1300. Model 1400 barrels will not interchange with Models 1200 or 1300 barrels.The Model 1300 Defender barrels will not interchange with the 1300 Field models and viceversa.
No
Try a 1300 barrel
Yes...1200, 1300, 1400, 120 and 140 Butt stocks are interchangeable.