So how about the .309 cal Chimera Mk3?Short video of what shooting 737 ft/lbs looks like: http://www.chimeradefencesystems.com/gallery/images/285.mp4http://www.chimeradefencesystems.com/gallery/images/263.mp4 Also, here is there website with some better pics of the actual gun: http://www.chimeradefencesystems.com/gallery/index.php]http://www.chimeradefencesystems.com/gallery/index.php
I think Tom's BullPup in .452 would be a winner