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. The P556 is compatible with M16/AR-15 type magazines.

Item Number P556001
Caliber 5.56 x 45mm NATO
Action Type Semi-auto
Barrel Type Cold Hammer Forged
Flash Suppressor A2 Type
Forearm Polymer
Weight w/out Mag 6.3 lbs
Overall Length 20.5 in
Barrel Length 10"
Rifling 1 in 7"
Sight Radius 18.1 in
Mag Type & Capacity Polymer, 30 Round

Additional Information

SIG SAUER 556