Yea, I saw MandalorFett's. I really like the look of the tip. It clearly looks like there is something inside that ESB shot too... I don't know.. perhaps it's artistic expression at this point.
My Heiland (I know... perhaps not exactly accurate, but it's all I've got) has a cool looking "gut" to it, but the center is a spring. I could add a rod to it, but I don't know...