No it corresponds to the recoil spring rod.
basically when you take the bushing off so that you can remove the slide, there's a goofy plastic rod that the spring coils around.
here is some more possible info
http://home.earthlink.net/~gnappi/talk/10_talk299.htm
says Laseraim arms, owns the right to the wyoming/parker design now, supposedly in Little rock, ark.
still havent found my manuel yet, but still looking.