Marx has re-issued two types of Fort Apache. One is the fort with the hard plastic fence sections, another being the tin-litho version. Redbox has its own Fort Buffalo, a western fort with clones of Airfix Cowboys and Indians. Several companies offer their own sets. As mentioned above, they are mainly clones of Airfix, Timpo and Marx.
Clones vary in quality and detail.
We've seen some that retain high detail, and others that are little better than plastic lumps. One bag from Jar Ru had so many flash spurs that we needed a pocketknife before they looked normal. The amazing thing is how many cowboys and Indians are cloned from Airfix. It is hard to find original figures from other makers. When coaching a flag football team, he told kids that buckling on the protective gear was just like buckling on a belt for a six-shooter.