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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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Optics
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Items 169-192 of 1460

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  1. Sig Sauer Curved Trigger Kit, Black

    Sig Sauer Curved Trigger Kit, Black

    Regular Price $29.99 Special Price $26.29
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  2. Sig Sauer Recoil Spring Assembly Fits Sig Sauer P320 Compact, Black

    Sig Sauer Recoil Spring Assembly Fits Sig Sauer P320 Compact, Black

    Rating:
    100%
    (1)
    $34.99
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  3. Sig Sauer Extractor Spring Fits P320/Sig Sauer P250

    Sig Sauer Extractor Spring Fits P320/Sig Sauer P250

    Regular Price $8.99 Special Price $8.09
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  4. Sig Sauer Recoil Spring Assembly Fits Sig Sauer P320 Full-Size, Black

    Sig Sauer Recoil Spring Assembly Fits Sig Sauer P320 Full-Size, Black

    $61.99
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  5. Sig Sauer Recoil Spring Assembly Fits Sig Sauer P320 Full-Size, Black

    Sig Sauer Recoil Spring Assembly Fits Sig Sauer P320 Full-Size, Black

    Regular Price $71.99 Special Price $63.99
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  6. Sig Sauer Recoil Spring Assembly Fits P320/Sig Sauer P320 XTEN, Black

    Sig Sauer Recoil Spring Assembly Fits P320/Sig Sauer P320 XTEN, Black

    Regular Price $49.99 Special Price $44.99
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  7. Sig Sauer Recoil Spring Assembly Fits P320/Sig Sauer M17 Commercial, Black

    Sig Sauer Recoil Spring Assembly Fits P320/Sig Sauer M17 Commercial, Black

    Regular Price $29.99 Special Price $26.29
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  8. Sig Sauer Minimalist Plus Locking Folding Stock Fits MCX/Sig Sauer MCX Spear, Black

    Sig Sauer Minimalist Plus Locking Folding Stock Fits MCX/Sig Sauer MCX Spear, Black

    Regular Price $254.99 Special Price $228.99
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  9. Sig Sauer Skeletonized Stock Riser Fits MCX/Sig Sauer MCX Spear, Black

    Sig Sauer Skeletonized Stock Riser Fits MCX/Sig Sauer MCX Spear, Black

    Regular Price $39.99 Special Price $36.99
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  10. Sig Sauer Non-Threaded Barrel w/o LCI 9mm 3.60" Fits Sig Sauer P320 Sub-Compact, Gold

    Sig Sauer Non-Threaded Barrel w/o LCI 9mm 3.60" Fits Sig Sauer P320 Sub-Compact, Gold

    Regular Price $232.99 Special Price $210.99
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  11. Sig Sauer 3-Pack Sear Spring Fits Sig Sauer P365

    Sig Sauer 3-Pack Sear Spring Fits Sig Sauer P365

    Regular Price $9.99 Special Price $8.19
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  12. Sig Sauer Romeo-MDC Open Reflex 1x26mm 6 MOA Red Dot Sight - SORMDC60

    Sig Sauer Romeo-MDC Open Reflex 1x26mm 6 MOA Red Dot Sight - SORMDC60

    Regular Price $278.99 Special Price $250.99
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  13. Sig Sauer Romeo-MDC Open Reflex 1x26mm 3 MOA Red Dot Sight - SORMDC30

    Sig Sauer Romeo-MDC Open Reflex 1x26mm 3 MOA Red Dot Sight - SORMDC30

    Rating:
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    Regular Price $299.99 Special Price $229.99
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  14. Sig Sauer P320-XFive Grip Module Full - Fits P320, Black, Premium Grip Upgrade for Superior Handling and Tactical Precision - GRIP-X5-F-943-M-BLK

    Sig Sauer P320-XFive Grip Module Full - Fits P320, Black, Premium Grip Upgrade for Superior Handling and Tactical Precision - GRIP-X5-F-943-M-BLK

    Rating:
    100%
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    Regular Price $142.99 Special Price $127.99
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  15. Sig Sauer P365-AXG Grip Module Fits P365 X-Macro, Black

    Sig Sauer P365-AXG Grip Module Fits P365 X-Macro, Black

    Regular Price $356.99 Special Price $320.99
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  16. Sig Sauer Grip Module Fits P365 X-Macro, Coyote Brown

    Sig Sauer Grip Module Fits P365 X-Macro, Coyote Brown

    Regular Price $102.99 Special Price $91.99
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  17. Sig Sauer Grip Module Fits P365 X-Macro, Coyote Brown

    Sig Sauer Grip Module Fits P365 X-Macro, Coyote Brown

    Regular Price $102.99 Special Price $91.99
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  18. Sig Sauer P320-XCompact Compact Grip Module, Black - for Sig P320 with Superior Grip and Control for Better Accuracy - GRIP-MODX-C-943-SM-BLK

    Sig Sauer P320-XCompact Compact Grip Module, Black - for Sig P320 with Superior Grip and Control for Better Accuracy - GRIP-MODX-C-943-SM-BLK

    Regular Price $91.99 Special Price $81.99
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  19. Sig Sauer P320-XCompact Grip Module, Compact - Black, Precision Engineered for Enhanced Grip and Control on Sig P320 Pistols - GRIP-MODX-C-943-M-BLK

    Sig Sauer P320-XCompact Grip Module, Compact - Black, Precision Engineered for Enhanced Grip and Control on Sig P320 Pistols - GRIP-MODX-C-943-M-BLK

    Regular Price $91.99 Special Price $81.99
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  20. Sig Sauer SLXMG Suppressor 7.62MM QD, Coyote

    Sig Sauer SLXMG Suppressor 7.62MM QD, Coyote

    $1,699.99
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  21. Sig Sauer SLXMG Suppressor 6.8 MM QD, Coyote

    Sig Sauer SLXMG Suppressor 6.8 MM QD, Coyote

    $1,699.99
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  22. Sig Sauer SLXC Compact Suppressor 5.56, Black - SLXC-NG556C-QD

    Sig Sauer SLXC Compact Suppressor 5.56, Black - SLXC-NG556C-QD

    $1,399.99
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  23. Sig Sauer SLX Suppressor SURG 5.56, Assembly w/ Heat Shield, Commercial - SLX-SURG556

    Sig Sauer SLX Suppressor SURG 5.56, Assembly w/ Heat Shield, Commercial - SLX-SURG556

    $1,899.99
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  24. Sig Sauer SLX Suppressor 5.56, Black - SLX-NG556-QD

    Sig Sauer SLX Suppressor 5.56, Black - SLX-NG556-QD

    $1,449.99
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Items 169-192 of 1460

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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.