The SG 550 is an assault rifle manufactured by Swiss Arms AG (formerly Schweizerische Industrie Gesellschaft) of Neuhausen, Switzerland; (SG is an abbreviation for Sturmgewehr, or "assault rifle"). The rifle is based on the earlier 5.56mm SG 540 and is also known as the Fass 90 (Fusil d'assaut 90 / Fucile d'assalto 90) in French / Italian or Stgw 90 in German (Sturmgewehr 90).

Kane & Lynch: DeadmenEdit

The SIG is Kane's primary weapon for most of the game. He uses it so much that, along with his scar and push dagger,has become his trademark.

The gun is available in Fragile Alliance. It can be purchased for $ 90,000. Since it is the most expensive weapon insecure people tend to buy it, thinking it is the best. But is reality the recoil is a bit too heavy to recommend using it. However the stopping power is excellent and will kill other players in only a few shots.

Kane & Lynch 2: Dog DaysEdit

Kane can be seen brandishing his SIG on the boxart and in a trailer, but does not actually appear in-game.

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