when it counts™ - Sig Sauer
when it counts™ - Sig Sauer
when it counts™ - Sig Sauer
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®<br />
®<br />
SIG556<br />
The next generation<br />
The SIG SAUER® SG 550/551 weapons system earned worldwide recogn<strong>it</strong>ion for reliabil<strong>it</strong>y and accuracy.<br />
Now, SIG has managed to improve on perfection, tailoring the rifle for the American market,<br />
making <strong>it</strong> compatible w<strong>it</strong>h AR magazines. Enhancements include a Picatinny rail and folding, locking,<br />
length-adjustable stock making <strong>it</strong> even more efficient. The SWAT version replaces the tapered, ergonomic<br />
forend w<strong>it</strong>h a quad rail for accessorizing.<br />
Folding Collapsible Swiss-Style Stock<br />
Rotary Diopter <strong>Sig</strong>ht<br />
Picatinny Rail<br />
Butt Pads<br />
The SIG556 SWAT models ship<br />
w<strong>it</strong>h dual butt pads allowing for an<br />
add<strong>it</strong>ional 1” increase in LOP.<br />
Two-Pos<strong>it</strong>ion Gas Value<br />
SHARED features<br />
• Robust full length gas piston operating rod system<br />
• Two-pos<strong>it</strong>ion adjustable gas valve ensures function<br />
in extreme cond<strong>it</strong>ions<br />
• Rotating bolt<br />
• Accepts standard AR type magazines<br />
• 5.56 x 45mm NATO<br />
• Mil<strong>it</strong>ary grade barrel ensures accuracy and durabil<strong>it</strong>y<br />
• Industry standard 1/2” x 28TPI muzzle thread<br />
w/ A2 flash suppressor<br />
• Swiss design length adjustable folding stock<br />
• Multiple sling attachment points<br />
A2 Flash Suppressor<br />
Optional Accessories<br />
• Rotary Diopter Rear <strong>Sig</strong>ht<br />
• M1913 Rail K<strong>it</strong> for polymer forends<br />
• Interlocking 30 round magazines<br />
(set of 2, w<strong>it</strong>h connector)<br />
Standard AR-15/M16<br />
Polymer Magazine<br />
30 Round<br />
Rotary Diopter <strong>Sig</strong>ht<br />
Vis<strong>it</strong> sigsauer.com for complete SIG556 line<br />
Model Specifications: see pages 62-63<br />
STL-300J STOPLITE<br />
An ingenious combination of a<br />
vertical foregrip, tactical light and<br />
laser aiming module all-in-one.<br />
Provides 700 lumens* of blinding<br />
light in e<strong>it</strong>her a steady beam or<br />
disorienting strobe.<br />
*Approximate lumens<br />
SIG556 Classic<br />
action: Semi-automatic<br />
operating system: Gas piston, rotating bolt<br />
caliber: 5.56 x 45mm NATO<br />
stock: Folding / length adjustable<br />
forend: Polymer<br />
upper receiver: Steel, N<strong>it</strong>ron® finish<br />
lower: 7075-T6 aluminum,<br />
Hard coat anodize<br />
barrel length & twist: 16”; 1 in 7”<br />
features: Swiss design polymer<br />
forend w/ optional<br />
M1913 rail k<strong>it</strong><br />
SIGSAUER.COM<br />
4<br />
M1913 Rail K<strong>it</strong><br />
Some models are shown w<strong>it</strong>h optional accessories that are not included.<br />
SIG556 SWAT<br />
action: Semi-automatic<br />
operating system: Gas piston, rotating bolt<br />
caliber: 5.56 x 45mm NATO<br />
stock: Folding / length adjustable<br />
forend: Alloy quad rail<br />
upper receiver: Steel, N<strong>it</strong>ron® finish<br />
lower: 7075-T6 aluminum, Hard coat anodize<br />
barrel length & twist: 16”; 1 in 7”<br />
magazine: AR-15 Type, Polymer, 30 round<br />
features: Ergonomic swiss design pistol grip<br />
Extra butt pad adds 1 inch overall length<br />
The SIG556 adjustable, side-folding buttstock locks securely in the folded<br />
pos<strong>it</strong>ion • The two-pos<strong>it</strong>ion adjustable gas piston allows users to fine-tune<br />
the SIG556 to operate flawlessly w<strong>it</strong>h all types of ammun<strong>it</strong>ion.
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