No
OEM
None. Custom is possible.
No
No
The Montneel z1 has unique threading and has no after market barrels available.
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.
Any Spyder threaded barrels.
Slug barrels were not made for auto 5's until 1962. These newer barrels will work, but need to be fitted. You may find a slug barrel for a 16ga on gunbroker.com either Belgian or Japanese, but you will need a qualified gunsmith to fit it to your gun.
No
No
This is most likely a Hi Power and almost any Hi Power barrel will fit it. Barrels are available from GunPartsCorp, Barstow, Brownells, and many other sources. Some minor gunsmithing may be required or a high accuracy barrel
no