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Sig Sauer SIG556


SIG556®. No other semi-automatic rifle has captured the imagination of the shooting public like the SG 550 series rifle. For years this legendary Swiss made rifle has been restricted to law enforcement and military sales where it has continuously built on its reputation for outstanding performance, accuracy and durability. SIG SAUER® offers the U.S. produced version as the SIG556, which is available to the general consumer and law enforcement markets. The SIG556 features the same high-performance two position adjustable gas piston operating rod system engineered by SIG’s sister company Swiss Arms and marries it to a trigger housing that not only cuts the rifle’s weight by a pound but is designed to accept standard AR magazines.

THE LEGEND CONTINUES, The legendary performance and accuracy of the Swiss-built SG 550 tactical rifle is found in every SIG556 Classic. The Classic is a semi-automatic rifle with the silhouette that harkens back to the original military-only 550 model. Featuring a full length gas piston operating system with a 2-position gas valve, the rifle will keep operating even when the environmental conditions deteriorate. Available in 5.56 NATO, the Classic features the original Swiss folding stock, as well as a polymer ergonomic forend.

The Classic’s sleek profile and compact length is enhanced by a 16’’ button rifled barrel. SIG SAUER shaved a pound off the Classic model by incorporating the redesigned alloy trigger housing, AR style magazine and flash suppressor. The SIG 556 Classic brings back the look and feel of one of the world’s most sought after military rifles but on a platform available for law enforcement and responsible citizens.



Caliber: 5.56mm NATO
Overall Length: 35.875"
length w/Stock Folded: 27.1"
Barrel Length: 16"
Rifling: 1 in 7"
Sight Radius: 18.1"
Forearm: Polymer
Stock Type: Swiss folding
Weight w/o Mag: 8.2 lbs
Operating System: Gas Operated, Rotating Bolt
Mag Capacity: 30 Rounds
Features: Rotary Diopter Sight
Sig Sauer SIG556 Reviews