Historical Armed Combat Society
From AmtWiki
Description
A sport made from Larps. Designed to incorporate al levels of sword combat from NERO to SCA. Used several different stages of weaponry, including the foam injected ones pictured above. Held one major Tourney at Spring War 2007.
E-Sam Thread on the disappearance of HACS.
It's on film!
HACS website ( link redirects to Triking Games )