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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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  1. Sig Sauer Riser Mount Mount Black - SOR2M100

    Sig Sauer Riser Mount Mount Black - SOR2M100

    $69.99
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  2. Sig Sauer Grip Module Black Sig P365XL - 8900262

    Sig Sauer Grip Module Black Sig P365XL - 8900262

    Regular Price $89.99 Special Price $81.99
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  3. Sig Sauer Grip Module Coyote Sig P365 Sub-Compact - 8900155

    Sig Sauer Grip Module Coyote Sig P365 Sub-Compact - 8900155

    Rating:
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    Regular Price $71.99 Special Price $63.99
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  4. Sig Sauer Grip Module Coyote Sig P365 Sub-Compact - 8900157

    Sig Sauer Grip Module Coyote Sig P365 Sub-Compact - 8900157

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    Regular Price $71.99 Special Price $63.99
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  5. Sig Sauer Barrel 9mm 4.3" Black Threaded 1/2 x 28 RH Sig P320

    Sig Sauer Barrel 9mm 4.3" Black Threaded 1/2 x 28 RH Sig P320

    Regular Price $234.99 Special Price $210.99
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  6. Sig Sauer P365 9mm Pistol, 3.1" Barrel, Night Sights, Black - 365X9BXR3PMS10

    Sig Sauer P365 9mm Pistol, 3.1" Barrel, Night Sights, Black - 365X9BXR3PMS10

    Regular Price $700.99 Special Price $630.99
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  7. Sig Sauer P365 9mm Pistol, 3.7" Barrel, Night Sights, Rose - 365XL9BXR3P10

    Sig Sauer P365 9mm Pistol, 3.7" Barrel, Night Sights, Rose - 365XL9BXR3P10

    $1,049.99
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  8. Sig Sauer P365 9mm Pistol, 3.7" Barrel, Night Sights, Black - 365XL9BXR3PMS10

    Sig Sauer P365 9mm Pistol, 3.7" Barrel, Night Sights, Black - 365XL9BXR3PMS10

    Rating:
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    Regular Price $700.99 Special Price $630.99
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  9. Sig Sauer P365 9mm Pistol, 3.1" Barrel, Night Sights, Black - 365X9BXR3P10

    Sig Sauer P365 9mm Pistol, 3.1" Barrel, Night Sights, Black - 365X9BXR3P10

    Regular Price $700.99 Special Price $630.99
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  10. Sig Sauer P322 .22LR Pistol, 4" Barrel, Fiber Optic Sights, Black - 322CBASMA

    Sig Sauer P322 .22LR Pistol, 4" Barrel, Fiber Optic Sights, Black - 322CBASMA

    Regular Price $478.99 Special Price $430.99
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  11. Sig Sauer 5-30x56 Sierra6 BDX 0.25 MOA Reticle Black Rifle Scope - SOSBDX65111

    Sig Sauer 5-30x56 Sierra6 BDX 0.25 MOA Reticle Black Rifle Scope - SOSBDX65111

    $1,449.99
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  12. Sig Sauer 2-12x40 Sierra6 BDX 0.25 MOA Reticle Black Rifle Scope - SOSBDX62111

    Sig Sauer 2-12x40 Sierra6 BDX 0.25 MOA Reticle Black Rifle Scope - SOSBDX62111

    Regular Price $1,033.99 Special Price $930.99
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  13. Sig Sauer 5-30x56 EASY6-BDX BDX 0.1 MRAD Reticle Rifle Scope - SOEBDX65105

    Sig Sauer 5-30x56 EASY6-BDX BDX 0.1 MRAD Reticle Rifle Scope - SOEBDX65105

    $1,449.99
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  14. Sig Sauer M320/M18 9mm Coyote 3 Magazines 3 Dot 21 Rounds - 8900268

    Sig Sauer M320/M18 9mm Coyote 3 Magazines 3 Dot 21 Rounds - 8900268

    Regular Price $560.99 Special Price $504.99
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  15. Sig Sauer Minimalist Stock Coyote MCX/MPX - 8901268

    Sig Sauer Minimalist Stock Coyote MCX/MPX - 8901268

    Rating:
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    Regular Price $254.99 Special Price $228.99
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  16. SIG Sauer Romeo4XT PRO MSR Red Dot 1x20mm .50 MOA - SOR44001

    SIG Sauer Romeo4XT PRO MSR Red Dot 1x20mm .50 MOA - SOR44001

    Rating:
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    Regular Price $644.99 Special Price $580.99
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  17. SIG Sauer ROMEO4XT PRO AR Red Dot 1x20mm 0.5 MOA, FDE - SOR44002

    SIG Sauer ROMEO4XT PRO AR Red Dot 1x20mm 0.5 MOA, FDE - SOR44002

    Rating:
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    $599.99
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  18. Sig Sauer Elite Performance .308 Win Ammunition, 20 Rounds Ballistic Tip 165Gr - E308AB16520

    Sig Sauer Elite Performance .308 Win Ammunition, 20 Rounds Ballistic Tip 165Gr - E308AB16520

    Regular Price $50.99 Special Price $45.99 $2.30
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  19. SIG Sauer P320-XFive TXG Caliber X-Change Kit

    SIG Sauer P320-XFive TXG Caliber X-Change Kit

    Regular Price $815.99 Special Price $734.99
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  20. Sig Sauer Slide Assembly Black - 8900950

    Sig Sauer Slide Assembly Black - 8900950

    Regular Price $458.99 Special Price $412.99
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  21. Sig Sauer Slide Assembly Coyote - 8900953

    Sig Sauer Slide Assembly Coyote - 8900953

    Regular Price $458.99 Special Price $412.99
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  22. Sig Sauer Grip Module Gray Sig P320F 9/40 Small - 8900273

    Sig Sauer Grip Module Gray Sig P320F 9/40 Small - 8900273

    Regular Price $254.99 Special Price $228.99
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  23. Sig Sauer Slide Assembly Slide Coyote Optics Ready 8901048

    Sig Sauer Slide Assembly Slide Coyote Optics Ready 8901048

    Rating:
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    Regular Price $509.99 Special Price $458.99
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  24. Sig Sauer Grip Module Gray Sig P320C 9/40 Medium - 8901005

    Sig Sauer Grip Module Gray Sig P320C 9/40 Medium - 8901005

    Regular Price $299.99 Special Price $269.99
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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.