M19

M19, M.19 or M-19 may refer to:

In science:

Messier 19 (M19), a globular cluster in the constellation Ophiuchus

In history:

19th of April Movement (M-19), a former Colombian guerrilla movement and political party

In transportation:

M-19 (Michigan highway), a state highway in Michigan

In firearms and military equipment:

M19 mine, a United States anti-tank mine
Smith & Wesson Model 19 (S&W M19), a Smith & Wesson revolver
Mk 19 grenade launcher, a belt-fed automatic grenade launcher
an internal Fokker designation for the Fokker D.III, a 1916 German single-seat fighter aircraft
M19 Mortar
M19 Tank Transporter
M19 Gun Motor Carriage
M19 Maschinengranatwerfer - a German mortar used during WW2

In criminal underworld:

a prominent and violent gang based in Manchester, relating to the postcode Levenshulme

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