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The Sig Sauer SIG556xi rifle takes the innovations which began with the SIG556 (CLICK HERE to read about the SIG556 SWAT!) series to the next level. New for 2014, the SIG556xi has a Swiss folding stock, a removable cheek riser – so shooters have the option to mount an optic without a riser, and flip-up front and rear sights. Additionally, the SIG556xi is chambered for three different calibers: .300 BLK, 5.56mm NATO, and 7.62x39mm. It also has ambidextrous charging handles.

Both left-handed and right-handed shooters can use this multi-caliber rifle, as it also has an ambidextrous magazine & bolt release and safety selector. In terms of barrel lengths, the SIG556xi will be available in a 14.5″, 10″ and 16″ variant for each caliber. New for 2014, the SIG556xi also has an M1913 quad-rail handguard, a three-position (adverse, normal and suppressed) gas piston system, and a three-pronged flash hider.

Scroll down to see the video of Sig Sauer showcasing the SIG556xi below. Or, check out Tactical-Life.com’s early coverage of the SIG556xi, HERE.

SIG556xi 
Caliber: 5.56mm NATO
Action Type: Semi-auto
Operating System: Adjustable 3-Position Gas Piston System
Trigger Pull: 7 lbs
Trigger Type: MIL-SPEC 2-Stage
Overall Length (Extended): 35.1”
Overall Length (Folded): 26.0”
Barrel Length: 16.0”
Rifling: 1:7
Number of grooves: 4
Weight w/out Mag: 7.5 lbs
Mag Capacity: 30 Rounds
Mag Type: Aluminum GI
Accessory Rail Optional – 2”, 4”, 6” M1913 Rail Sections
Features: Adjustable 3-Position Gas Piston System, Flip-up Adjustable Iron Sights, Swiss Side-folding Stock with Removable Cheek Riser.
MSRP: $1,599


SIG556xi Russian

Caliber: 7.62x39mm NATO
Action Type: Semi-auto
Operating System: Adjustable 3-Position Gas Piston System
Trigger Pull: 7 lbs
Trigger Type: MIL-SPEC 2-Stage
Overall Length (Extended): 35.1”
Overall Length (Folded): 26.0”
Barrel Length: 16.0”
Rifling: 1:9.5
Number of grooves: 4
Weight w/out Mag: 7.5 lbs
Mag Capacity: 30 Rounds
Mag Type: AK-47 type
Accessory Rail Optional – 2”, 4”, 6” M1913 Rail Sections
Features: Adjustable 3-Position Gas Piston System, Flip-up Adjustable Iron Sights, Swiss Side-folding Stock with Removable Cheek Riser. Accepts U.S. P.A.L.M. Magazines


SIG556xi 

Caliber: 300 Blackout
Action Type: Semi-Auto
Operating System: Adjustable 3-position gas piston system
Trigger Pull: 7 lbs
Trigger Type: MIL-SPEC
Overall Length (Extended): 35.1”
Overall Length (Folded): 26.0”
Barrel Length: 16.0”
Rifling: 1:7
Number of grooves: 4
Weight w/out Mag: 7.5 lbs
Mag Capacity 30 Rounds
Mag Type: Aluminum GI
Accessory Rail Optional – 2”, 4”, 6” 1913 rail sections
Features: Adjustable 3-position gas piston system,, flip-up adjustable iron sights, Swiss side folding stock with removable cheek riser.


For more on Sig Sauer, visit http://sigsauer.com/.

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