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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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  1. Sig Sauer Slide Assembly Black - 8900949

    Sig Sauer Slide Assembly Black - 8900949

    Rating:
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    Regular Price $458.99 Special Price $412.99
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  2. Sig Sauer Slide Assembly Black - 8900948

    Sig Sauer Slide Assembly Black - 8900948

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    Regular Price $458.99 Special Price $412.99
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  3. Sig Sauer Slide Assembly Coyote - 8900952

    Sig Sauer Slide Assembly Coyote - 8900952

    Regular Price $449.99 Special Price $412.99
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  4. Sig Sauer ALPHA3 Mount 34mm Black Picatinny SOA30007 Powder

    Sig Sauer ALPHA3 Mount 34mm Black Picatinny SOA30007 Powder

    $229.99
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  5. Sig Sauer Elite Performance 10mm Ammunition, 20 Rounds JHP 200Gr - E10MM20020

    Sig Sauer Elite Performance 10mm Ammunition, 20 Rounds JHP 200Gr - E10MM20020

    Rating:
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    Regular Price $32.99 Special Price $29.99 $1.50
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  6. Sig Sauer KILO5K HD 7x25 Rangefinder, Flat Dark Earth - SOK5K705

    Sig Sauer KILO5K HD 7x25 Rangefinder, Flat Dark Earth - SOK5K705

    Regular Price $778.99 Special Price $700.99
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  7. Sig Sauer Slide Assembly Coyote - 8900951

    Sig Sauer Slide Assembly Coyote - 8900951

    Regular Price $458.99 Special Price $412.99
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  8. Sig Sauer Offset Mount Black - SOR2M101

    Sig Sauer Offset Mount Black - SOR2M101

    Rating:
    80%
    (1)
    Regular Price $78.99 Special Price $70.99
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  9. Sig Sauer Grip Module Gray Sig P365XL Sub-Compact - 8900326

    Sig Sauer Grip Module Gray Sig P365XL Sub-Compact - 8900326

    Regular Price $91.99 Special Price $81.99
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  10. Sig Sauer Completion Kit for P320 Black - 8900979

    Sig Sauer Completion Kit for P320 Black - 8900979

    Regular Price $99.99 Special Price $89.99
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  11. Sig Sauer Completion Kit for P365 Black - 8900980

    Sig Sauer Completion Kit for P365 Black - 8900980

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    Regular Price $99.99 Special Price $89.99
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  12. Sig Sauer P238 .380 ACP Pistol, 2.7" Barrel, Night Sights, Silver, Black - 238380TSS2CA

    Sig Sauer P238 .380 ACP Pistol, 2.7" Barrel, Night Sights, Silver, Black - 238380TSS2CA

    Regular Price $833.99 Special Price $750.99
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  13. Sig Sauer P320AXG Legion 9mm 3.90" 21rd, Legion Gray - 320AXGF-9-LEGION

    Sig Sauer P320AXG Legion 9mm 3.90" 21rd, Legion Gray - 320AXGF-9-LEGION

    Regular Price $1,477.99 Special Price $1,330.99
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  14. Sig Sauer P320 XTEN 10mm 15rd Magazine, Black

    Sig Sauer P320 XTEN 10mm 15rd Magazine, Black - 8900743

    Rating:
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    Regular Price $49.99 Special Price $47.99
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  15. Sig Sauer P365 .380ACP 3.1" 10rd, Nickel & Turquoise

    Sig Sauer P365 .380ACP 3.1" 10rd, Nickel & Turquoise - 365-380-REB-MS

    Rating:
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    Regular Price $700.99 Special Price $630.99
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  16. Sig Sauer P320 Spectre Comp 9mm 4.6" 21rd, Black - P320V004

    Sig Sauer P320 Spectre Comp 9mm 4.6" 21rd, Black - P320V004

    Rating:
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    Regular Price $1,588.99 Special Price $1,430.99
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  17. Sig Sauer MCX Spear 7.62x51 16" 20rds, Coyote

    Sig Sauer MCX Spear 7.62x51 16" 20rds, Coyote - RSPEAR-762-16B

    Regular Price $4,441.99 Special Price $4,000.99
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  18. Sig Sauer MCX Spear 7.62x51 13" 20rds, Coyote

    Sig Sauer MCX Spear 7.62x51 13" 20rds, Coyote - PSPEAR-762-13B

    Regular Price $4,441.99 Special Price $4,000.99
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  19. SIG Sauer P365X Macro Tacops 9mm 3.10" 17rd - 365XCA-9-TACOPS

    SIG Sauer P365X Macro Tacops 9mm 3.10" 17rd - 365XCA-9-TACOPS

    Rating:
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    Regular Price $944.99 Special Price $850.99
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  20. Sig Sauer Tango6T 1-6x24mm Riflescope w/ Illuminated Reticle, Coyote - SOT61DVO

    Sig Sauer Tango6T 1-6x24mm Riflescope w/ Illuminated Reticle, Coyote - SOT61DVO

    Regular Price $2,443.99 Special Price $2,200.99
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  21. Sig Sauer P220 Legion 10mm 5" 8rd, Legion Gray

    Sig Sauer P220 Legion 10mm 5" 8rd, Legion Gray - 220R5-10-LEGION-R2

    Regular Price $1,777.99 Special Price $1,600.99
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  22. Sig Sauer Tango6T 1-6x24 Rifle Scope, FDE

    Sig Sauer Tango6T 1-6x24 Rifle Scope, FDE - SOT61230

    Regular Price $1,555.99 Special Price $1,400.99
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  23. Sig Sauer KILO3K 6X22mm Rangefinder, OD Green

    Sig Sauer KILO3K 6X22mm Rangefinder, OD Green - SOK3K602

    Rating:
    68%
    (5)
    $349.99
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  24. Sig Sauer P226 XFive 9mm Pistol 5" 20rd, Silver

    Sig Sauer P226 XFive 9mm Pistol 5" 20rd, Silver - 226X5-9-STAS

    Rating:
    100%
    (2)
    Regular Price $2,399.99 Special Price $2,299.99
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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.