Mass Turbo is a thrash/hardcore band from Modica, Sicily, Italy, blending 1980s hardcore and American crossover influences. Their 2017 debut EP 'The Wrestler' delivers a 'five-songs blast full of rage, irony and shitty attitude,' followed by a self-titled EP after a seven-year hiatus.

Massacra formed in France in 1986 and became one of their country's most significant early death metal bands, releasing the debut full-length Final Holocaust in 1990 through Shark Records after a series of influential demos. Enjoy the Violence (1991) and Signs of the Decline (1992) secured their reputation within the European death/thrash underground, before the band shifted toward a heavier groove-oriented thrash approach on later records. Their story ended tragically when guitarist Fred Duval died of skin cancer in June 1997 at age 29, effectively dissolving the band.

Massacre of the Megafauna is a stoner, thrash metal, and metalcore band from Sheffield, England, formed in 2010. They deliver a chaotic blend of stoner metal, thrash, and metalcore from the Steel City.

Massive Demolition is a thrash metal band from the Memmingen area of Germany, whose 2016 rehearsal-room live recording captures four tracks of raw, aggressive thrash metal energy. Their unpolished sound emphasizes the visceral power of thrash metal in its most direct form.

Massive Pain is a Greek thrash metal act formed in 2019, delivering aggressive, riff-driven compositions. The band channels the raw energy of classic thrash into the Hellenic underground.

Mastdarm is a DSBM (depressive suicidal black metal) duo from Saxony, Germany, formed in 2019 by vocalist Sykdom and guitarist Krankus. Their releases "Crown of Thorns" and "Burn Kill Destroy" channel the anguished, harrowing atmosphere that defines the depressive black metal subgenre.

Mastemey is a thrash/groove metal band from Kraków, Poland, formed in 2016. They blend thrash metal's velocity with groove metal's rhythmic punch.

A thrash metal act from Empoli in the Florence metropolitan area, Master Disaster has been ripping through aggressive compositions since 2019. The band pairs the chaotic energy of their name with tight, disciplined thrash.

Masterless is a thrash and death metal band from Surrey, England, formed in 2017. They forge aggressive extreme metal from the London commuter belt.