"5.56"^^ . "SIG SSG 550"@en . "24"^^ . "The SSG 550 is an assault rifle seen in Syphon Filter: The Omega Strain. -Description from The Omega Strain"@en . "Assault rifle"@en . . "The SSG 550 is an assault rifle seen in Syphon Filter: The Omega Strain. -Description from The Omega Strain"@en . "IV"@en . . "V"@en . "72"^^ . "SSG 550"@en . "Syphon Filter: The Omega Strain"@en .