How about the necromunda Eviscerator.
![](http://uk.games-workshop.com/Search/data/8779.gif)
Or perhaps the chainsaw attachment from the Catachan Sentinel crew sprue, if you really want plastic for the ease of chopping.
Lazerus_101 wrote:
How about the necromunda Eviscerator.
![](http://uk.games-workshop.com/Search/data/8779.gif)
I think Torg used that one for the NBA team on TBB.