The SIG556® Classic carries a tactical heritage that has served special operations groups, law enforcement agencies, and counter terrorism units throughout the world. When assignments depend on exceptional performance and reliability, tactical operators depend on SIG SAUER® rifles. New for this year is the introduction of the SIG556 Classic model. The Classic name is based on the rifles Swiss heritage and the classic features that it draws from those world famous Swiss rifles. The adjustable stock snaps and securely locks into a folded position with a length-of-pull that can be preset by the user. The clean tapered forend styling allows for a firmer grip and better control. The redesigned trigger housing improves access to functional controls while improving the overall ergonomics of the rifle. The SIG556 operating system is topped off with a red dot and a rotary diopter sighting system that ensures quick target acquisition. SIG556 Classic pictured is equipped with the Mini Red Dot Sight.
Features a 21”military grade cold hammer-forged heavy contour barrel. The rifle is chambered in 5.56mm NATO, with a twist rate of 1 in 10” . The match grade heavy barrel features a target crown and matte black nitride finish for the ultimate in corrosion resistance. 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 a bipod and other accessories. The Picatinny rail equipped receiver is made of high strength steel with a durable wear-resistant Nitron-X finish. 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 an enhanced single stage target trigger, ambidextrous safety and is designed to accept standard AR magazines. The ergonomically designed pistol grip features an integrated storage compartment.
The SIG556® Classic SWAT continues the on-going evolution of the Classic model. It features an aluminum quad-rail hand guard that is ideally suited for mounting tactical accessories. The stock is a hinged folding Swiss-style that is able to collapse for ease of transportation or use in tight quarters. This feature is made possible by a new stock interface into the trigger casing. The adjustable stock snaps and securely locks into a folded position with a length-of-pull that can be preset by the user. Obtaining a sight picture with the SIG556 SWAT model now takes place using a new rear rotary diopter sight, utilizing aperture calibrations from close quarter ranges out to 100m, 200m, and 300m

Derived from the popular SIG556 model, the SIGSCM (Sport Configuration Model) joins SIG SAUER’s line of Classic rifles. Designed especially for sportsman, the SCM is compliant in most states and features a fixed A2-style stock, a 16-inch barrel with crowned muzzle, and ships with a standard 10-round magazine.
The next generation in the evolution of the SIG556 platform, the SIG556 Patrol Rifle integrates the accuracy of a 16” barrel with the maneuverability and quick pointing ergonomics of the SIG556 Short in a compact, no-nonsense package. The reduced length gas system and forearms provide the ideal combination of functionality and light weight. The SIG556 Patrol Rifle is the perfect solution for everything from three gun matches to patrol car deployment. Available in two versions (Swiss type polymer handguards or alloy Quad Rail tactical forend), the SIG556 Patrol Rifle ships standard with the RDSS (Rotary Diopter Sight System), one magazine w/ connector, and hard carry case.
The next generation in the evolution of the SIG556 platform, the SIG556 Patrol Rifle integrates the accuracy of a 16” barrel with the maneuverability and quick pointing ergonomics of the SIG556 Short in a compact, no-nonsense package. The reduced length gas system and forearms provide the ideal combination of functionality and light weight. The SIG556 Patrol Rifle is the perfect solution for everything from three gun matches to patrol car deployment. Available in two versions (Swiss type polymer handguards or alloy Quad Rail tactical forend), the SIG556 Patrol Rifle ships standard with the RDSS (Rotary Diopter Sight System), one magazine w/ connector, and hard carry case.
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.
P556 SWAT Pistol features a 10” military grade cold hammer forged barrel, chambered in 5.56mm NATO, with a twist rate of 1 in 7”. The flash suppressor uses a standard .5 x 28 TPI thread pattern, ensuring compatibility with after-market accessories. The optional flip up front combat sight is adjustable for windage, rear for elevation. The receiver is made of high strength steel with a durable wear-resistant Nitron® finish. The Picatinny rail features a SIG SAUER® Mini Red Dot sight that works in concert with the optional front combat sight. The trigger housing is machined from an aircraft grade aluminum alloy forging with a hard-coat anodized finish designed to survive extreme conditions. The P556 SWAT features a aircraft aluminum quad-rail designed for mounting accessories. The P556 SWAT comes equipped with a smooth two-stage trigger, ambidextrous safety and is designed to accept standard AR magazines. The pistol ships standard with (1) 30-round magazine (item# P556-10B-SS-MR) or the state compliant model with (1) 10 round magazine (item# P556-10B-SS-MR-10). The P556 SWAT is compatible with M16/AR-15 type magazines.
P556 Pistol features a 10” military grade cold hammer forged barrel, chambered in 5.56mm NATO, with a twist rate of 1 in 7”. The flash suppressor uses a standard .5 x 28 TPI thread pattern, ensuring compatibility with after-market accessories. The optional flip up front combat sight is adjustable for windage, rear for elevation. The receiver is made of high strength steel with a durable wear-resistant Nitron® finish. The Picatinny rail features a SIG SAUER® Mini Red Dot sight that works in concert with the optional front combat sight. The trigger housing is machined from an aircraft grade aluminum alloy forging with a hard-coat anodized finish designed to survive extreme conditions. The pistol comes equipped with a smooth two-stage trigger, ambidextrous safety and is designed to accept standard AR magazines. The pistol ships standard with (1) 30-round magazine (item# P556-10B-S-MR) or the state compliant model with (1) 10 round magazine (item# P556-10B-S-MR-10). The P556 is compatible with M16/AR-15 type magazines.