Is that particular section catering to all that is o-ring?

Or is it only for the figures made before 2002?

(Cuz in 2002, Hasbro re-launched the GI Joe brand with what fans of then called "The Bastard Era", "Nu Skulpt Era" and/or "The Theme Years". While retaining the o-rings (for the most part), a lot of the figures had new construction and sculpting. "bastard era" title came from the fact that GI Joe seemed to be in transition in terms of their builds.)