Top Definition
top-secret U.S. government-designed close-quarters assault rifle eqipped with a silencer/flash suppressor, used by covert operators all over the world. It fires 5.56x45-millimeter rounds from a 4-inch hollow tube, and can be equipped with a foregrip, sniper scope, and shotgun attachment.
The SC-120 is strong.
by Loks June 26, 2005
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