SIG Sauer Sig 556 Classic SWAT


The Sig Sauer Sig 556 Classic SWAT is a semi-automatic tactical carbine chambered in 5.56 NATO. The SWAT is almost identical to the standard model, but the SWAT has a trimmed down alloy trigger housing, which Sig says weighs less, and four Picatinny rails for easy mounting of optics and accessories.

The SWAT uses a gas piston operating system, which functions by propellant gases entering a port near the muzzle, the gas enters a tube that’s directed onto a piston and the piston connects with the bolt and pushes it rearward.

Other features include a cold hammer forged barrel, so a machine carefully cut the grooves in the bore. This produced durable rifling. The stock is collapsible for storage, but also adjustable for length. It has a rotary diopter rear sight, which provides four sight stations: CQB, 100m, 200m and 300m, and is also adjustable for elevation and windage.

Sig Sauer recommends the Classic for law enforcement and responsible civilians.

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Sig 556 Classic SWAT
Caliber: 5.56 NATO
Capacity: 30
Sights: Rotary diopter sight
Features: Piston driven operating system; cold hammer forged barrel; alloy trigger housing; flash suppressor; and quad rails
Action: Semi-auto
Stock: Polymer folding telescoping stock
Material/Finish: Aluminum lower receiver<br />Steel barrel/matte finish
Scope: Picatinny rail
Website: http://www.sigsauer.…
Weight: 8.2 pounds
Barrel Length: 16"
Twist: 1 in 7"
Length of Pull: Adjustable"
Overall Length: 36.1"

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