M4

From Wikipedia, the free encyclopedia

M4 or M-4 may refer to:

In computers:

• m4 (computer language), a macro processing language

In firearms and military equipment:

• Benelli M4 Super 90, a combat shotgun
• M4 Sherman, the primary tank used by the Allies in World War II
• M4 carbine, an assault rifle
• M4 (cipher), a variant of the Enigma machine
• M4 flame fuel thickening compound, a substance used in fire bombs and incendiary weapons
• Myasishchev M-4, a Soviet strategic bomber
• M4 SLBM, a French submarine launched ballistic missile

In science:

• Messier 4 (M4), a globular cluster in the constellation Scorpius

In transportation:

• Metroad 4 (M4), a metroad in Sydney, Australia
• M4 Western Motorway, a segment of Metroad 4 in central Sydney, Australia
• M4 motorway, a motorway in the United Kingdon that links London with Wales
• M4 motorway, a motorway-grade section of the N4 road in the Republic of Ireland
• M-4 (Michigan highway), a former designation for the M-134 and M-10 Michigan state highways

In hardware:

• M4 screw, a metric screw

In economics:

• M4 money supply, the total amount of money in bank accounts and in circulation in the United Kingdom