M45

M45, M 45, m/45 or M-45, among other things, the name or abbreviation for:

• Messier 45, the Pleiades star cluster ( Pleiades )
• M 45 ( MSB ), French submarine -based nuclear ICBM
• Carl Gustaf m/45, Swedish submachine gun
• M45 Quad Mount, American Vierlings - AA-MG
• M45 motorway, British motorway

• Disambiguation
• Abbreviation