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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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Items 625-648 of 1460

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  1. Sig Sauer P320 XSeries TXG Grip Module Assembly - 8900039

    Sig Sauer P320 XSeries TXG Grip Module Assembly - 8900039

    Regular Price $299.99 Special Price $269.99
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  2. Sig Sauer P320 Flat Skeletonized Enhanced Trigger, Black - 8900095

    Sig Sauer P320 Flat Skeletonized Enhanced Trigger, Black - 8900095

    Rating:
    100%
    (3)
    Regular Price $79.99 Special Price $71.99
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  3. SIG Sauer P320F Grip Module 9/40 MD, Coyote - GRIP-MODX-F-943-M-COY

    SIG Sauer P320F Grip Module 9/40 MD, Coyote - GRIP-MODX-F-943-M-COY

    Regular Price $91.99 Special Price $81.99
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  4. SIG Sauer P320 Carry X-Series Grip Module 9/40 Medium, Coyote - GRIP-MODX-CA-943-M-COY

    SIG Sauer P320 Carry X-Series Grip Module 9/40 Medium, Coyote - GRIP-MODX-CA-943-M-COY

    Regular Price $89.99 Special Price $80.99
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  5. SIG Sauer P320c X Series Small Grip Module

    SIG Sauer P320c X Series Grip Module SM 9/40, Coyote - GRIP-MODX-C-943-SM-COY

    Regular Price $91.99 Special Price $81.99
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  6. Sig Sauer Cross .308 Win Bolt-Action Rifle 5rd 16", Blk

    Sig Sauer Cross .308 Win Bolt-Action Rifle 5rd 16", Blk - CROSS-308-16B

    Regular Price $1,888.99 Special Price $1,700.99
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  7. SIG Sauer Cross 6.5 Creedmoor Bolt-Action Rifle 18"

    SIG Sauer Cross 6.5 Creedmoor Bolt-Action Rifle 18", Black - CROSS-65-18B

    Regular Price $1,888.99 Special Price $1,700.99
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  8. Sig Sauer P365 9mm 12 Round Magazine | Coyote

    Sig Sauer P365 9mm 12 Round Magazine, Coyote - MAG-365-9-12-COY

    Rating:
    86%
    (10)
    Regular Price $57.99 Special Price $51.99
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  9. Sig Sauer 8 Round 10mm Detachable Magazine - MAG1911108

    Sig Sauer 8 Round 10mm Detachable Magazine - MAG1911108

    Rating:
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    (1)
    Regular Price $34.99 Special Price $32.99
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  10. Sig Sauer Left Hand Sig Sauer P365 XL Appendix Carry IWB Holster, Black - HOL365XLAPXLH

    Sig Sauer Left Hand Sig Sauer P365 XL Appendix Carry IWB Holster, Black - HOL365XLAPXLH

    Regular Price $53.99 Special Price $48.29
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  11. 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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  12. 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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  13. 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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  14. 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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  15. 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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  16. 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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  17. 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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  18. 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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  19. 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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  20. 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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  21. 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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  22. 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:
    95%
    (4)
    Regular Price $778.99 Special Price $700.99
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  23. 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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  24. Sig Sauer ROMEO1 Shroud Kit, Black - SOR1SK001

    Sig Sauer ROMEO1 Shroud Kit, Black - SOR1SK001

    Rating:
    100%
    (4)
    Regular Price $54.99 Special Price $50.99
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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.