SIG SAUER SIG 556

The SIG Sauer 556 is the semi-automatic variant of the SG 550, a Swiss battle rifle chambered in 5.56 NATO. It differs from the original with its aluminum lower receiver that accepts M16 magazines. This model is equipped with a Manticore Scorpion grip, Strikefire II red dot sight, VMX-3T magnifier, flip-up sight, and a light holder. Overall, this rifle is rated in very good condition, with some signs of use and scratches on the finish. Purchase includes one 20-round steel magazine, one 30-round aluminum magazine, one 30-round Sig PMAG, the original case, an extra rear sight, the original grip, and a spare butt stock pad.