The rest of the information on your gun is "(Kynoch Perfect cartidges were made from very thin brass which permitted the gun to be chamberless without cones, the internal dimensions of the cartridge case allowed an increased load of the next larger calibre, e.g.14 bore in a 16 bore. The cartridge was popular with waterfowlers.)" so says L. Patrick Unsworth "The Early Purdeys" Christies Books 1996. Isn't it so nice that facts are so much better than BS!

"In my GSP I do trust"