Chuck Zito Apology -- Christy Mack Beating Was Wrong ... I'd Kill Any Man Who Did That

Hollywood badass Chuck Zito is deeply remorseful for saying he would clobber a girlfriend who cheated on him ... and he says in actuality he would go nuclear on any guy who attacks a woman.

The "Sons of Anarchy" star went on TMZ Live to explain his comments about War Machine's brutal attack on ex-GF Christy Mack.

Zito's anguish over his comments is palpable.