There is a small spring and pin that holds and locks that pin to the body. A really small and i mean really small screwdriver can push that spring back allowing you to remove it from the body. But be careful since its a plastic body and you don't want to wreck the tabs on the body.
Hope that helps.
Originally Posted by Crunchmeister
Imagine ads for semen restaurants. I can see it now... "Come to Seminal Sam's, where you can eat loads without blowing all your wad..."