That's only the shaft. Do you have the rest?
See pic on this page: Tribal-Paintball Products by Edwin H.
about half way down is a pic of a complete Tribal RAM.
I can't verify if that is bad machining or a break in your pic. Never disassembled my rams to look inside. I do have an extra RAM floating around somewhere... If i can find it i'll open it up and post a pic.