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SIG Sauer Firearms, Optics, Ammo & Accessories

SIG Sauer is a weapon systems manufacturer with a long-standing commitment to innovation, ingenuity, and quality. For decades military, law enforcement, and commercial users have favored SIG firearms for its passion for design, durability, and accuracy. SIG's extensive manufacturing capacity allows it to respond quickly to changing market conditions on a global scale, while not compromising the quality and reliability.

Shop premium SIG Sauer optics, magazines, accessories, parts, and gear at Palmetto State Armory. This collection features trusted Sig Sauer products designed to enhance performance, reliability, and everyday use. Explore authentic Sig gear and upgrades for range, duty, and personal defense setups. Shop SIG Sauer firearms at PSA. 

SIG Sauer
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Firearms
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Optics
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SIG Sauer Rose
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Items 625-648 of 1460

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  1. Sig Sauer 9mm 3" Barrel, Black - BBL9389

    Sig Sauer 9mm 3" Barrel, Black - BBL9389

    Regular Price $183.99 Special Price $164.99
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  2. Sig Sauer 9mm 4.4" Barrel, Black - BBL2269

    Sig Sauer 9mm 4.4" Barrel, Black - BBL2269

    Regular Price $183.99 Special Price $164.99
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  3. Sig Sauer Replacement M-Lok Vertical Grip Kit for M400 Tread Rifles - KITTRDGRIPVEERTICALBLK

    Sig Sauer Replacement M-Lok Vertical Grip Kit for M400 Tread Rifles - KITTRDGRIPVEERTICALBLK

    Rating:
    97%
    (6)
    Regular Price $49.99 Special Price $43.99
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  4. Sig Sauer Replacement M-Lok Handstop Kit for M400 Tread Rifles - KITTRDGRIPHANDSTOPBLK

    Sig Sauer Replacement M-Lok Handstop Kit for M400 Tread Rifles - KITTRDGRIPHANDSTOPBLK

    Regular Price $48.99 Special Price $44.09
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  5. Sig Sauer Replacement M-Lok Forward Grip Kit for M400 Tread Rifles - KITTRDGRIPFORWARDBLK

    Sig Sauer Replacement M-Lok Forward Grip Kit for M400 Tread Rifles - KITTRDGRIPFORWARDBLK

    Rating:
    100%
    (1)
    Regular Price $79.99 Special Price $69.99
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  6. Sig Sauer 9mm 3.1" Barrel, Black - BBL3659

    Sig Sauer 9mm 3.1" Barrel, Black - BBL3659

    Regular Price $179.99 Special Price $164.99
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  7. Sig Sauer 9mm 3.6" Barrel, Black - BBLMODSC9

    Sig Sauer 9mm 3.6" Barrel, Black - BBLMODSC9

    Regular Price $183.99 Special Price $164.99
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  8. Sig Sauer 9mm 3.9" Barrel, Black - BBLMODC9

    Sig Sauer 9mm 3.9" Barrel, Black - BBLMODC9

    Regular Price $183.99 Special Price $164.99
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  9. Sig Sauer 9mm 4.7" Barrel, Black - BBLMODF9

    Sig Sauer 9mm 4.7" Barrel, Black - BBLMODF9

    Rating:
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    (1)
    Regular Price $183.99 Special Price $164.99
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  10. Sig Sauer 9mm 3.9" Threaded Barrel, Black Nitride - BBL22919T

    Sig Sauer 9mm 3.9" Threaded Barrel, Black Nitride - BBL22919T

    Regular Price $234.99 Special Price $210.99
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  11. Sig Sauer 9mm 3.2" Threaded Barrel, Black Nitride - BBL9389T

    Sig Sauer 9mm 3.2" Threaded Barrel, Black Nitride - BBL9389T

    Regular Price $234.99 Special Price $210.99
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  12. Sig Sauer Tread M400 Adjustable Front/Rear Flip-Up Sight for AR-15 Rifle - KITTRDSIGHTS

    Sig Sauer Tread M400 Adjustable Front/Rear Flip-Up Sight for AR-15 Rifle - KITTRDSIGHTS

    Rating:
    60%
    (2)
    Regular Price $152.99 Special Price $136.99
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  13. Sig Sauer P320-M17 Full 9mm Pistol, Coyote PVD - 320f-9-m17-ms-ma

    Sig Sauer P320-M17 Full 9mm Pistol, Coyote PVD - 320f-9-m17-ms-ma

    Rating:
    93%
    (3)
    Regular Price $778.99 Special Price $700.99
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  14. Sig Sauer Elite Hunter Tipped 140 gr EHTG .270 Win Ammo, 20/box - E270TH2-20

    Sig Sauer Elite Hunter Tipped 140 gr EHTG .270 Win Ammo, 20/box - E270TH2-20

    Regular Price $44.99 Special Price $39.69 $1.98
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  15. Sig Sauer ROMEO1 Shroud Kit, Black - SOR1SK001

    Sig Sauer ROMEO1 Shroud Kit, Black - SOR1SK001

    Rating:
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    (4)
    Regular Price $54.99 Special Price $50.99
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  16. Sig Sauer ROMEO1 1-Piece Mounting Kit Base for Glock Pistols, Black - SOR1MK011

    Sig Sauer ROMEO1 1-Piece Mounting Kit Base for Glock Pistols, Black - SOR1MK011

    Regular Price $71.99 Special Price $63.99
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  17. Sig Sauer 10 Round 9mm X-Five Legion P320 Magazine, Black - 8900061

    Sig Sauer 10 Round 9mm X-Five Legion P320 Magazine, Black - 8900061

    Rating:
    100%
    (1)
    Regular Price $65.99 Special Price $59.09
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  18. Sig Sauer 17 Round 9mm X-Five Legion P320 Magazine, Black - 8900060

    Sig Sauer 17 Round 9mm X-Five Legion P320 Magazine, Black - 8900060

    Rating:
    100%
    (2)
    Regular Price $59.99 Special Price $56.99
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  19. Sig Sauer 8 Round 9mm P210 Target Detachable Magazine, Blued - MAG21098TGT

    Sig Sauer 8 Round 9mm P210 Target Detachable Magazine, Blued - MAG21098TGT

    Regular Price $57.99 Special Price $51.99
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  20. Sig Sauer 18 Round .40 S&W/.357 SIG Magazine, Black - MAGMODF4318

    Sig Sauer 18 Round .40 S&W/.357 SIG Magazine, Black - MAGMODF4318

    Regular Price $49.99 Special Price $47.99
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  21. Sig Sauer 8 Round 9mm 1911 Detachable Magazine, Stainless Steel - MAG191198

    Sig Sauer 8 Round 9mm 1911 Detachable Magazine, Stainless Steel - MAG191198

    Regular Price $38.99 Special Price $35.09
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  22. Sig Sauer 10 Round .40 S&W/.357 SIG P250/P320 Full Size Detachable Magazine, Blued - MAGMODF4310

    Sig Sauer 10 Round .40 S&W/.357 SIG P250/P320 Full Size Detachable Magazine, Blued - MAGMODF4310

    $49.99
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  23. Sig Sauer 10 Round .40 S&W/.357 SIG P250/P320 Compact Detachable Magazine, Blued - MAGMODC4310

    Sig Sauer 10 Round .40 S&W/.357 SIG P250/P320 Compact Detachable Magazine, Blued - MAGMODC4310

    $49.99
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  24. Sig Sauer 10 Round .40 S&W/.357 SIG P250/P320 Sub Compact Detachable Magazine, Blued - MAGMODSC4310

    Sig Sauer 10 Round .40 S&W/.357 SIG P250/P320 Sub Compact Detachable Magazine, Blued - MAGMODSC4310

    Rating:
    100%
    (1)
    $49.99
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  1. Firearms 497
  2. Optics 400
  3. Ammo 121
  4. Magazines 94
  5. Parts & Accessories 231
  6. SIG Sauer Rose 20
  7. Airguns 42
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SIG Sauer FAQs

Is SIG Sauer a good brand?

SIG Sauer is widely considered a top-tier firearms manufacturer known for reliability, innovation, and military-grade performance. Its products are used by law enforcement, military units, and

civilian shooters worldwide.

Why is SIG Sauer so popular?

SIG Sauer is popular due to its consistent build quality, modular firearm designs, and strong reputation for accuracy and durability. Models like the P365 and P320 have set industry standards in their categories.

Where is SIG Sauer made?

SIG Sauer firearms for the U.S. market are primarily manufactured in Newington, New Hampshire, with additional global operations supporting production and engineering.

What is the most popular SIG Sauer pistol?

The SIG Sauer P365 is one of the most popular concealed carry pistols due to its compact size and high capacity. The P320 is also widely used for duty and home defense applications.

Is the SIG Sauer P365 better than the P320?

The P365 is better suited for concealed carry due to its smaller size, while the P320 offers greater modularity and is often preferred for duty or range use. The best option depends on intended use.

What rifles does SIG Sauer make?

SIG Sauer produces modern sporting rifles like the MCX and MPX, as well as precision bolt-action rifles in the CROSS series. These platforms are designed for performance, modularity, and suppressor compatibility.

Does SIG Sauer make optics?

SIG Sauer offers a full line of optics, including red dots and rifle scopes under the ROMEO and TANGO series. These optics are designed to integrate seamlessly with their firearms.

Is SIG Sauer ammo reliable?

SIG Sauer ammunition is manufactured to high standards for consistency and reliability across training, hunting, and defensive applications.

Are SIG Sauer guns worth the money?

SIG Sauer firearms are typically priced higher than entry-level options but are valued for their durability, performance, and advanced features, making them a strong long-term investment.

Can SIG Sauer firearms use suppressors?

Many SIG Sauer firearms are designed to be suppressor-ready or compatible with threaded barrels. The company also produces its own suppressors optimized for its platforms.