I managed to break my original forend tube assembly on my Wingmaster (newer version) when I was replacing the forend with another one. I then bought a forend tube assembly "New Style", for the 870 express I think, but I didn't get it to work. The "rail" which is supposed to grab on to the shells is too short. And I know that the "old style" wont fit either. It seems like the forend tube assembly on the Wingmaster is special. So my question is if anyone here have had the same problem and/or knows where I can find the right forend tube assembly for my Wingmaster.