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SIG SAUER 556
SIG 556
The time has come. 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. Now, SIGARMS® has undertaken development and production of a U.S. made version. SIGARMS introduces the new SIG 556. The SIG 556 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 SIG 556 features a 16” military grade cold hammer forged barrel with a twist rate of 1 in 9”. The barrel is locked to the steel receiver through a unique system that allows the user to easily change out the barrel. The forearm housing the gas operating system is a vented non-slip polymer featuring the SIG TriRail design with three integrated Picatinny rails for mounting accessories. There is a forward mount for right or left side sling attachment. The flip up front combat sight is adjustable for windage and elevation. The Picatinny rail equipped receiver is made of high strength carbon steel with a durable wear-resistant Nitron® X rifle finish. The trigger housing is made from a heat treated aircraft grade aluminum alloy with a hard-coat anodized finish designed to survive extreme conditions. The rifle comes equipped with a smooth two-stage trigger. The SIG 556 also features an ambidextrous safety and is designed to accept standard AR magazines. A rugged 30-round polymer magazine is supplied with each rifle. Spare battery compartments are provided in the ergonomically designed pistol grip as well as the rubber padded watertight adjustable butt stock. The butt stock also offers sling attachment points. In addition to the standard model SIG 556 which will begin to ship in late summer of 2006, SIGARMS will also offer the SIG 556 SWAT. The SWAT model will feature the same compact design of the standard SIG 556 with 16” barrel but will feature a flat top Picatinny railed receiver and a tactical quad rail. These two rifles are the first of several new SIG 556 models that are currently in development at SIGARMS. The wait is over. The new U.S. made SIG 556 begins shipping in late summer – because the time has come. System Includes, SIG. Front and Rear Flip up Sights.

Specification Value Accessories
Caliber 5.56mm
Overall Length 36.5"
Length w/ Stock Folded 33"
Barrel Length 16"
Rifling 1 in 9"
Sight Radius 21"
Forearm Polymer SIG TriRail
Weight w/o Mag 6.8 lbs
Operating System Gas Operated, Rotating Bolt
Mag Capacity 30 Rounds
MSRP $1,595.95
CA Compliant No

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