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  1. .223/5.56.223/5.56 (2)
  2. 9mm Luger9mm Luger (2)
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  1. Flat Dark EarthFlat Dark Earth (2)
  2. OD GreenOD Green (2)

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Sig Sauer

Sig Sauer M400 Enhanced Carbine, .223, 5.56mm - Black

The new Sig Sauer M400 Enhanced Carbine is a AR platform carbine with a Magpul MOE handguard, grip and collapsible butt stock. Standard gas impingement system with the M4 profile barrel.



$1,234.00

$899.99

Sig Sauer

Sig Sauer M400 Enhanced Carbine, 300 Blackout - FDE

Sig Sauer M400 Enhanced Patrol chambered in 300 Blackout features numerous features designed for use in law enforcement, military operations, sporting, and competitive shooting fields. A 16" nitride treated barrel provides superior corrosion resistance, direct gas impingement operation, 7075-T6 aircraft grade aluminum forged lower receiver, low profile gas block with M1913 rail with Magpul flip up front and rear sights, and Flat Dark Earth Magpul MOE forend, grip, and stock.
$1,299.99

Sig Sauer

Sig Sauer M400 Enhanced Patrol, 300 Blackout

Sig Sauer M400 Enhanced Patrol chambered in 300 Blackout features numerous features designed for use in law enforcement, military operations, sporting, and competitive shooting fields. A 16" nitride treated barrel provides superior corrosion resistance, direct gas impingement operation, 7075-T6 aircraft grade aluminum forged lower receiver, low profile gas block with M1913 rail with Magpul flip up front and rear sights, and Magpul MOE forend, grip, and stock.
$1,299.99

Sig Sauer

Sig Sauer MCX Carbine, .223, 5.56mm

Sig Sauer MCX - Carbine - 5.56mm
$1,749.99

Sig Sauer

Sig Sauer MPX Pistol W/Stabilizing Brace, 9mm

Sig Sauer MPX Pistol with Stabilizing Brace - 9mm
$1,649.99

Sig Sauer

Sig Sauer MPX Pistol, 9mm

Sig Sauer MPX Pistol - 9mm - 8" BBL
$1,379.99

Sig Sauer

Sig Sauer P716 PISTOL, .308, 7.62mm - STABILIZING BRACE

Designed to fully optimize the potential of the 716 Pistol, the SB15 Stabilizing Brace improves one handed operation of any buffer tube equipped AR pistol. Features include short stroke piston operation, four position gas valve, SB15 pistol stabilizing brace, 12.5 inch barrel, quad rail, and flip up sights. Comes with one 20RD PMAG.
$2,149.99

Sig Sauer

Sig Sauer 516 Patrol Rifle, Gen. 2, .223, 5.56mm

The gas piston operated Sig Sauer AR15 SIG516 rifle features a hard coat anodized receiver, four position gas regulator, chrome lined barrel and a free float quad rail. The new generation 2 516 features a four position gas regulator similar to that used on the 716. Ships with rail (3) rail ladder covers, (1) 30RD PMAG.

$1,379.95

Sig Sauer

Sig Sauer 556XI Russian Rifle, 7.62x39mm

The next evolution of the Sig Sauer 556 platform is the 556XI series. Key features of the 556XI series include overall weight reduction, streamlined profile, and user friendly features such as ambidextrous controls. The 556XI Russian model features a 3 position gas piston operating system, swiss style folding stock with removable cheek riser, ambidextrous controls, flip up front and rear sights, and reduced profile polymer handguard. Accepts AK style magazines.

$1,529.99

Sig Sauer

Sig Sauer 556XI Standard Rifle, .223, 5.56mm

The next evolution of the Sig Sauer 556 platform is the 556XI series. Key features of the 556XI series include overall weight reduction, streamlined profile, and user friendly features such as ambidextrous controls. The 556XI Standard model features a 3 position gas piston operating system, swiss style folding stock with removable cheek riser, ambidextrous controls, flip up front and rear sights, and reduced profile polymer handguard(compatible with Magpul MOE accessories). Accepts AR15/M16 style magazines.

$1,199.95

Sig Sauer

Sig Sauer 556XI SWAT Pistol, .223, 5.56mm - STABILIZING BRACE

The next evolution of the Sig Sauer 556 platform is the 556XI series. Key features of the 556XI series include overall weight reduction, streamlined profile, and user friendly features such as ambidextrous controls. The 556XI Pistol SWAT model features a 3 position gas piston operating system, pistol stabilizing brace, ambidextrous controls, 10 inch barrel, flip up front and rear sights, and reduced profile quad rail handguard. Accepts AR15/M16 style magazines.

$1,649.99

Sig Sauer

Sig Sauer 556XI SWAT Rifle, .223, 5.56mm

The next evolution of the Sig Sauer 556 platform is the 556XI series. Key features of the 556XI series include overall weight reduction, streamlined profile, and user friendly features such as ambidextrous controls. The 556XI SWAT model features a 3 position gas piston operating system, swiss style folding stock with removable cheek riser, ambidextrous controls, flip up front and rear sights, and reduced profile quad rail handguard. Accepts AR15/M16 style magazines.

$1,529.99

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Sig Sauer Rifles

Sig Sauer Rifles are semi-automatics that inspire shooters around the world. The SG 550 series is based on the celebrated rifles once restricted to law enforcement and military made by Sig affiliate, Swiss Arms. The performance, accuracy and dependability of these rifles were field-proven time and again. Sig Sauer produces the U.S. versions of these outstanding firearms, the SIG556s. In a 556, a gas piston operating rod system joins unique trigger housing in a lighter weight firearm that loads up with AR-15 magazines. Built in the Swiss tradition, yet with its own advanced characteristics, the 556 series of rifles is a crowning achievement. As your leading Sig distributor, we’re here to supply rifles, handguns, and Sig Sauer parts.

Sig 556 Rifle Unites Classic Elements and Tactical Innovation

The SIG 556 Classic is a rifle tactical shooters rely on regularly. The Classic model also shares Swiss elements, such as an adjustable stock that folds in and locks up. This rifle gives users an innovative grip for improved control. The SIG 556 rifle operating system supports target acquisition with its red dot sighting system. Sig’s Classic SWAT rifle expands on the Classic. A quad-rail hand guard supports tactical equipment and rear rotary diopter delivers sight pictures.

Sig Rifles for Sale Pack in Power and Features

Here at Top Gun Supply, we offer the .223/5.56mm NATO rifles that use AR-15 magazines, as well as the Sig Sauer 522 which employs less expensive ammunition. Check out the DMR model in our Sig rifles for sale built for corrosion and wear resistance. This Sig Sauer rifle welcomes accessories with integrated rails, while surviving extremes with a super steel receiver and trigger housing of high grade aluminum. For power in a compact package, check out our selection of Sig Sauer handguns.