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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 ALPHA1 Extra High 0 MOA Scope Ring 35mm Tube 1.53" Weaver - SOA10025

    Sig Sauer ALPHA1 Extra High 0 MOA Scope Ring 35mm Tube 1.53" Weaver - SOA10025

    $99.99
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  2. Sig Sauer ALPHA1 High 0 MOA Scope Ring 35mm Tube 1.25" Weaver - SOA10024

    Sig Sauer ALPHA1 High 0 MOA Scope Ring 35mm Tube 1.25" Weaver - SOA10024

    Regular Price $99.99 Special Price $89.99
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  3. Sig Sauer ALPHA MSR 0 MOA Scope Mount 34mm Tube 1.53" - SOA20015

    Sig Sauer ALPHA MSR 0 MOA Scope Mount 34mm Tube 1.53" - SOA20015

    $74.99
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  4. Sig Sauer ALPHA MSR 0 MOA Scope Mount 30mm Tube 1.53" - SOA20014

    Sig Sauer ALPHA MSR 0 MOA Scope Mount 30mm Tube 1.53" - SOA20014

    Rating:
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    Regular Price $84.99 Special Price $75.99
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  5. Sig Sauer 10rds .22LR Magazine, Black - 8900744

    Sig Sauer 10rds .22LR Magazine, Black - 8900744

    Regular Price $35.99 Special Price $32.09
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  6. Sig Sauer 10rds 9mm Magazine, Coyote Brown - MAG365910COY

    Sig Sauer 10rds 9mm Magazine, Coyote Brown - MAG365910COY

    Rating:
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    Regular Price $53.99 Special Price $48.99
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  7. Sig Sauer 10rds 9mm Magazine, Coyote - 8900373

    Sig Sauer 10rds 9mm Magazine, Coyote - 8900373

    $49.99
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  8. Sig Sauer P365-XMACRO Sig P365 Composite OWB Holster Right, Black - 8901262

    Sig Sauer P365-XMACRO Sig P365 Composite OWB Holster Right, Black - 8901262

    Regular Price $93.99 Special Price $83.99
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  9. Sig Sauer P365-XMACRO Sig P365 Composite IWB Holster Left, Black - 8901259

    Sig Sauer P365-XMACRO Sig P365 Composite IWB Holster Left, Black - 8901259

    Regular Price $89.99 Special Price $83.99
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  10. Sig Sauer P365-XMACRO Sig P365 Composite OWB Holster Left, Black - 8901263

    Sig Sauer P365-XMACRO Sig P365 Composite OWB Holster Left, Black - 8901263

    Regular Price $89.99 Special Price $83.99
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  11. Sig Sauer Lens Cleaning Kit, Black - High-Quality Optics Maintenance - SOLCK1

    Sig Sauer Lens Cleaning Kit, Black - High-Quality Optics Maintenance - SOLCK1

    Regular Price $11.99 Special Price $9.99
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  12. Sig Sauer P320 XCarry Legion 9mm 4.60" 10rds, Legion Gray Cerakote Elite - 320XCA9LEGIONTBR210

    Sig Sauer P320 XCarry Legion 9mm 4.60" 10rds, Legion Gray Cerakote Elite - 320XCA9LEGIONTBR210

    Rating:
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    (1)
    Regular Price $1,144.99 Special Price $1,030.99
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  13. Sig Sauer P320 Xcompact 9mm 3.60" 10rds, Black - 320XC9BXR3PR210

    Sig Sauer P320 Xcompact 9mm 3.60" 10rds, Black - 320XC9BXR3PR210

    Regular Price $811.99 Special Price $730.99
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  14. Sig Sauer P365 .380 ACP 3.10" 10rds, Black - 365380BSSMSMA

    Sig Sauer P365 .380 ACP 3.10" 10rds, Black - 365380BSSMSMA

    Regular Price $556.99 Special Price $500.99
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  15. Sig Sauer P320 XFull 9mm 4.70" 10rds, Black - 320XF9BXR3PR210

    Sig Sauer P320 XFull 9mm 4.70" 10rds, Black - 320XF9BXR3PR210

    Rating:
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    Regular Price $811.99 Special Price $730.99
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  16. Sig Sauer P320 Spectre Comp Blackout 9mm 4.60" 10rds, Black - P320V004-10

    Sig Sauer P320 Spectre Comp Blackout 9mm 4.60" 10rds, Black - P320V004-10

    Regular Price $1,588.99 Special Price $1,430.99
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  17. Sig Sauer Replacement Piston M16x1LH for Sig SRD, Black - SRD-PISTON-M16X1LH

    Sig Sauer Replacement Piston M16x1LH for Sig SRD, Black - SRD-PISTON-M16X1LH

    Regular Price $144.99 Special Price $130.99
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  18. Sig Sauer Recoil Spring Assembly for Sig P365, Black - KIT-365-RECOIL-SPRING

    Sig Sauer Recoil Spring Assembly for Sig P365, Black - KIT-365-RECOIL-SPRING

    Regular Price $40.99 Special Price $36.29
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  19. Sig Sauer X Fold Adapter Assembly for Sig MCX/MPX - Black, Tactical Versatility - ADAPTER-X-FOLD

    Sig Sauer X Fold Adapter Assembly for Sig MCX/MPX - Black, Tactical Versatility - ADAPTER-X-FOLD

    Regular Price $132.99 Special Price $118.99
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  20. Easy Handling - Sig Sauer Ambi Charging Handle Assembly for Sig 716i Tread, Black - 8900448

    Easy Handling - Sig Sauer Ambi Charging Handle Assembly for Sig 716i Tread, Black - 8900448

    Rating:
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    Regular Price $79.99 Special Price $72.99
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  21. Sig Sauer Replacement Barrel for Sig P320, Gold - 8900789

    Sig Sauer Replacement Barrel for Sig P320, Gold - 8900789

    Regular Price $234.99 Special Price $210.99
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  22. Sig Sauer Replacement Barrel for Sig P365XL, Black - 8900740

    Sig Sauer Replacement Barrel for Sig P365XL, Black - 8900740

    Regular Price $179.99 Special Price $164.99
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  23. Sig Sauer Stock Adapter Kit for Sig MCX, Black - 2401191-R

    Sig Sauer Stock Adapter Kit for Sig MCX, Black - 2401191-R

    Rating:
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    Regular Price $183.99 Special Price $164.99
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  24. Sig Sauer Factory Replacement Barrel for Sig P320 - Black Precision - BBL-MOD-F-40

    Sig Sauer Factory Replacement Barrel for Sig P320 - Black Precision - BBL-MOD-F-40

    Regular Price $183.99 Special Price $164.99
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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.