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.223 / 5.56 Sig Sauer

Sig Sauer is a renowned firearms manufacturer recognized for its commitment to precision engineering and performance-driven innovation. The brand offers a comprehensive selection of products, including centerfire rifle ammo, centerfire handgun ammo, and advanced optics designed for both professional and enthusiast shooters. Sig Sauer’s featured handguns, such as the 9mm and .45 ACP models, are trusted for their reliability and accuracy. Headquartered in New Hampshire, Sig Sauer leverages a global network of expertise to serve military, law enforcement, and civilian markets. The company’s legacy includes pioneering double-action triggers and decocking levers, and its firearms are widely adopted by agencies worldwide. Shop Sig Sauer for sale to experience a legacy of quality and innovation in every product.

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Sig Sauer RM40016BROSER5X2 M400 556 Romeo 30rd RS/BLK

Sig Sauer RM40016BROSER5X2 M400 556 Romeo 30rd RS/BLK

$1299 99
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Sig Sauer PMCX556N11BIR MCX Spear LT 30rd 11.50"

Sig Sauer PMCX556N11BIR MCX Spear LT 30rd 11.50"

$2499 99
In Stock
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Sig Sauer RMCX-556N-16B-IR MCX Spear LT IR Tele Stock 16" 30rd Coyote

Sig Sauer RMCX-556N-16B-IR MCX Spear LT IR Tele Stock 16" 30rd Coyote

$2599 99
In Stock
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Sig Sauer M400 Tread V2 COIL Rifle RM400-16B-TRD-V2-COIL 5.56 NATO 16" 30rd Semi-Auto w/ ROMEO5 Red Dot & M-LOK Foregrip.

Sig Sauer M400 Tread V2 COIL Rifle RM400-16B-TRD-V2-COIL 5.56 NATO 16" 30rd Semi-Auto w/ ROMEO5 Red Dot & M-LOK Foregrip.

$1113 33
In Stock
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Sig Sauer M400 Tread V2 Rifle 5.56 NATO 16" Stainless Barrel 30+1 Semi-Auto Optics-Ready Concrete Finish Matchlite Trigger

Sig Sauer M400 Tread V2 Rifle 5.56 NATO 16" Stainless Barrel 30+1 Semi-Auto Optics-Ready Concrete Finish Matchlite Trigger

$1065 56
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Sig Sauer RM400SDI16BR5FX M400 SDI 556 Black Tele

Sig Sauer RM400SDI16BR5FX M400 SDI 556 Black Tele

$1749 99
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Sig Sauer RM40016BTRDV2CA *CA*M400 556 TRD V2 10R

Sig Sauer RM40016BTRDV2CA *CA*M400 556 TRD V2 10R

$948 42
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Sig Sauer RM40016BTRDV210 M400 556 10rd Black

Sig Sauer RM40016BTRDV210 M400 556 10rd Black

$948 42
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Sig Sauer RM400SDI16BFDE M400 SDI 556 FDE Tele

Sig Sauer RM400SDI16BFDE M400 SDI 556 FDE Tele

$1599 99
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Sig Sauer RM400SDI16BMSGRN M400 SDI 556 Green Tele

Sig Sauer RM400SDI16BMSGRN M400 SDI 556 Green Tele

$1599 99
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Sig Sauer MCX-SPEAR LT RMCX-556N-16B-LT-B Rifle 5.56 NATO 16" 30rd Semi-Auto Folding/Telescoping Stock, Ambi Controls.

Sig Sauer MCX-SPEAR LT RMCX-556N-16B-LT-B Rifle 5.56 NATO 16" 30rd Semi-Auto Folding/Telescoping Stock, Ambi Controls.

$2599 99
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Sig Sauer E223M120 Match Grade .223/5.56 NATO 77 GR Open Tip Match - 20rd Box

Sig Sauer E223M120 Match Grade .223/5.56 NATO 77 GR Open Tip Match - 20rd Box
$27 13
(1.357 per round)
In Stock
Sig Sauer PM40011BTRDV2 M400 TRDV2 556 11.5 30rd OR BK

Sig Sauer PM40011BTRDV2 M400 TRDV2 556 11.5 30rd OR BK

$999 99
In Stock
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Sig Sauer RM400-16B-TRD-V2 M400 Tread 16" S/S M-LOK HG 30rd Black

Sig Sauer RM400-16B-TRD-V2 M400 Tread 16" S/S M-LOK HG 30rd Black

$948 42
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Sig Sauer PMCX-556N-7B-LT-PCB Rattler LT Black 7.75"

Sig Sauer PMCX-556N-7B-LT-PCB Rattler LT Black 7.75"
$2499 99
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Sig Sauer RM400-16B-TRD-V2G M400 Tread 16 V2 Moss Tele M-LOK 30

Sig Sauer RM400-16B-TRD-V2G M400 Tread 16 V2 Moss Tele M-LOK 30

$1044 24
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Sig Sauer PMCX5BTAP MCX 5.5 30rd PSTL

Sig Sauer PMCX5BTAP MCX 5.5 30rd PSTL

$2499 99
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Sig Sauer E223H120 Elite Copper Hunting 223 Rem 60 gr Jacketed Hollow Point (JHP) - 20rd Box

Sig Sauer E223H120 Elite Copper Hunting 223 Rem 60 gr Jacketed Hollow Point (JHP) - 20rd Box
$29 34
(1.467 per round)
In Stock
Sig Sauer RMCXR-556N-16B-RX2 MCX-R Regulator COY 16 ROMEO2 10rd

Sig Sauer RMCXR-556N-16B-RX2 MCX-R Regulator COY 16 ROMEO2 10rd

Out of Stock
Sig Sauer PMCX-556N-11B-CW-V1-LT MCX SPEAR-LT Pistol 11.5 Multicam 30rd

Sig Sauer PMCX-556N-11B-CW-V1-LT MCX SPEAR-LT Pistol 11.5 Multicam 30rd
Out of Stock
Sig Sauer PMCX-556N-11B-LT PMCX Spear LT 11.5" Barrel 30rd Coyote

Sig Sauer PMCX-556N-11B-LT PMCX Spear LT 11.5" Barrel 30rd Coyote

Out of Stock
Sig Sauer RM400SDI16BDH3 M400 DH3 3-GUN Handguard 16" 30rd Adjustable Stock

Sig Sauer RM400SDI16BDH3 M400 DH3 3-GUN Handguard 16" 30rd Adjustable Stock

Out of Stock
Sig Sauer M400 "Tread" Semi-Automatic AR-15 Rifle .223/5.56 30rd 16" Barrel - RM40016BTRD

Sig Sauer M400 "Tread" Semi-Automatic AR-15 Rifle .223/5.56 30rd 16" Barrel - RM40016BTRD

Out of Stock
Sig Sauer E223V120 Hunting .223/5.56 NATO 40 GR Tipped Hollow Point - 20rd Box

Sig Sauer E223V120 Hunting .223/5.56 NATO 40 GR Tipped Hollow Point - 20rd Box

Out of Stock
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