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- Madball
- Matanza
- Maximum The Hormone
- Melvins (early)
- Million Dead
- Middle Class
- Minor Threat
- The Misfits
- Mob 47
- M.O.D.
- Modern Life Is War
- Morning Again
- Mouthpiece
- Murphy's Law
Read more about this topic: List Of Hardcore Punk Bands
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Read more about this topic: List Of Hardcore Punk Bands