Top Definition
M90
The M90 Shotgun is a pump-action magazine-fed (dual tubular non-detachable type) weapon. It fires 8 gauge magnum (3.5") rounds. This weapon is very effective against targets at close range and may be used to engage several targets simultaneously at medium and long range
2nd Lieutenant McCallister blasted the head off a Jackal with her M90
by Militant Liberal April 16, 2005

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