Magnetic Accelerator Cannon

''"Target locked." - F.I.L.S.S.''

''"Fire!" - Dr. Leonard Church''

''"Firing main cannons." - F.I.L.S.S.''

- The Director ordering F.I.L.S.S. to fire the MAC Gun of the Mother of Invention.

The Magnetic Accelerator Cannon, also known as the Mass Acceleator Cannon, MAC Gun, and MAC Cannon, is a large coilgun that serves as the primary offensive weapon for UNSC Warships. It is the only non-nuclear weapon that is capable of reducing and/or leveling a target.