The flagship of the Sig Optics riflescope line, the Sig Sauer TANGO6 riflescope features a 6x zoom ratio, first and second focal plane designs, HDX optics, HellFire fiberoptics, LockDown turrets, and much more. TANGO6 riflescopes come in the following magnification variants: 1-6x24mm 2-12x40mm 3-18x44mm 4-24x50mm 5-30x56mm