SIG556® SWAT Like the SIG556, the SIG556 SWAT 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 SIG556 SWAT features a 16” military grade cold hammer forged barrel, chambered in 5.56mm NATO, with a twist rate of 1 in 7”. The high performance flash suppressor provides enhanced flash reduction and features an ACME type thread for compatibility with select industry sound suppression devices. The flash suppressor retains a standard .5 x 28 TPI thread pattern, ensuring compatibility with after-market accessories. The vented tactical quad rail forearm is machined from aircraft grade aluminum alloy and hard coat anodized for durability. The quad rail features four integrated steel Picatinny rails for mounting a wide range of accessories. The Picatinny rail equipped receiver is made of high strength carbon steel with a durable wear-resistant Nitron® finish. The rifle comes standard with the flip up combat front and rear sight system. The trigger housing is machined from an aircraft grade aluminum alloy forging with a hard-coat anodized finish designed to survive extreme conditions. The rifle comes equipped with a smooth two-stage trigger, ambidextrous safety and is designed to accept standard AR magazines. A 30-round magazine is supplied with each rifle. The rifle features the MAGPUL CTR Carbine Buttstock. This buttstock is adjustable for length of pull and features a unique locking mechanism that friction locks the stock to the receiver extension for zero movement. The ergonomically designed pistol grip features an integrated storage compartment. The rifle also includes the Grip-Light vertical forend grip which features a removable tactical LED flashlight and mounts directly to the quad rail forends. Select versions feature a folding stock with the ability to collapse, providing the best of both worlds.
SIG 556 Rifle Wins NRA Tactical Gun of the Year
Few semi-automatic rifles have captured the imagination of the shooting public like the SG 550 series. For years this legendary Swiss-made rifle has been restricted to law enforcement and military sales, where it has acquired a reputation for reliability, durability and accuracy. Now, SIG Sauer has developed a U.S. made version called the SIG 556 ... .” So stated Shooting Editor Glenn Gilbert in “Like a Swiss Watch” (December 2007, p. 46).
Both 556 SWAT and full-length versions feature the quality shooters have come to expect from SIG, including steel Picatinny rails fixed to the tops of their receivers and military-grade cold-hammer-forged barrels. But these are fully updated designs. Significant changes have been made to the lower receiver and the stock. The cast aluminum lower receiver retains the ambidextrous safety lever of the original 550, but the magazine well has been modified to take commercial and surplus AR-15/M16-style magazines. Further, given the crisp break and limited overtravel of its trigger, the SIG 556’s accuracy was commendable.
“The bottom line, simply stated,” wrote Gilbert, “is that the SIG 556 is an exceptionally accurate and reliable semi-automatic rifle whose performance is more than enough to justify its existence.” That shared sentiment among staffers resulted in the SIG Sauer 556 being named the first-ever American Rifleman Tactical Gun of the Year.
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Length w/Stock Collapsed |
33.5" |
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Operating System |
Gas Operated, Rotating Bolt |
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SigTac® SIG SAUER® Skeleton Folder - Black
$139.95
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STL-900L Tactical Light/Laser
$215.00
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STS-081 Mini Red Dot Sight
$215.00
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556-08-LR.pdf