Jul 9, 2013 · The P556 is built on SIG Sauer’s well-respected SG 550 platform. The 550 itself employs a long stroke piston-operated rotating bolt locking mechanism reminiscent of Mikhail Kalishnakov’s original AK-47 design.

P556 SWAT features a 10 button rifled 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.

May 30, 2014 · The Sig Sauer P556's compact size and heavy-hitting round are better than pistol caliber carbines for CQB, fast offense, effective defense, ideal for LEOs.

The Sig Sauer P556® SWAT pistol features a 10” button rifled 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.

Nov 1, 2009 · SIG SAUER equips the P556 Pistol with a two-stage trigger, which greatly aids accuracy once accustomed to using. All loads produced more than enough accuracy for a CQB type weapon. The 556 SBR is a legitimate 250-300 yard rifle based on these accuracy levels and ballistics offered by the loads tested even with a 10 inch barrel.

Sig Sauer P556 Swat 5.56mm Centerfire Pistol with Red Dot $1,340.00 $1,159.99 Brand: Sig Sauer

Aug 12, 2009 · Get the defensive power of a combat rifle shrunk down to pistol size with the Sig Sauer P556 5.56mm!

Search the Guns.com database to shop for guns, ammo, mags, optics and more. Filter products to compare by specs and price. New and certified used handguns, shotguns, rifles...

P556® Pistol features a 10” button rifled 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.