im not sure if my stuff is considered hardcore, but its violent, nonetheless (jiust going down ma list - ijn caps are the bans i REALLY like)
amon amarth
amorphis
anthrax
ARCH ENEMY
at the drive in (some of it)
AT THE GATES
atheist
black label society
BORKNAGAR
BRUTAL TRUTH
camp kill yourself
candiiria
CARCASS
celtic frost
CEPHALIC CARNAGE
cradle of filth
CRYPTOPSY
dark seed
DARKEST HOUR
DEATH
decoryah
dimmu borgir
dodheimsgard
down
dream theater
DYING FETUS
earth crisis
EIGHTEEN VISIONS
embodyment
emperor
ever eve
exhumed
extol
the gathering
GOATWHORE
grey skies fallen
gwar (heheh)
hammerfall
HATEBREED
IN FLAMES
in the woods
ILL DISPOSED
krisiun
machinehead
gorgoroth
arkangel
biohazard
brothers keeper
burn the priest
cannibal corpse
ah, i gotta go now
so this is all im gonna post for now
u probably think its useless since most people havent ever heard these bands
but if u like grind/thrash heavy stuff check it out