You probably just need to get your medicine right. Here are a few medicines you might ask your doctor about for your violent behavior.Lithium is good for the depression part of bipolar that can cause distress and aggrivate you. Klonipin is good to calm a person down. Klonipin usually takes about 30 minutes to start working so if you know your feeling angry suddenly, take the pill and walk away from the source of your anger. It will last for 6 hours. Also, if your on Xanax ask the doctor if it is right for you cause from the way I understand it, that Xanax can make you more voilent.
I am like you except I am female and I am not violent (just angry and thoughts of violence). i always get angry or depressed or both. I know however what mania is cause the medicine Ambilify triggered it when I first started it a couple of years ago. However, I did level out and all was "good enough".
Good enough means for me that I wasn't wanting to do myself harm.
With Bipolar we just got to take one day at a time and push ourselves but also to learn our limits.
I wish you well and please let us know how your doing.