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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 457-480 of 1460

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  1. 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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  2. 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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  3. 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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  4. 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:
    40%
    (1)
    Regular Price $79.99 Special Price $72.99
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  5. 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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  6. 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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  7. Sig Sauer Stock Adapter Kit for Sig MCX, Black - 2401191-R

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

    Rating:
    100%
    (1)
    Regular Price $183.99 Special Price $164.99
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  8. 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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  9. Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - BBL-MOD-C-357

    Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - BBL-MOD-C-357

    Regular Price $183.99 Special Price $164.99
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  10. Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - BBL-MOD-F-357

    Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - BBL-MOD-F-357

    Regular Price $183.99 Special Price $164.99
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  11. Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - BBL-MOD-C-40

    Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - BBL-MOD-C-40

    Regular Price $179.99 Special Price $164.99
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  12. Control Muzzle Rise with Sig Sauer Muzzle Rise for Sig 716/716G2, Black - 8900447

    Control Muzzle Rise with Sig Sauer Muzzle Rise for Sig 716/716G2, Black - 8900447

    Regular Price $79.99 Special Price $72.99
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  13. Sig Sauer Factory Replacement Barrel for Sig P320 - Black Precision - 8900315

    Sig Sauer Factory Replacement Barrel for Sig P320 - Black Precision - 8900315

    Rating:
    60%
    (1)
    Regular Price $234.99 Special Price $210.99
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  14. Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - 8900568

    Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - 8900568

    Regular Price $234.99 Special Price $210.99
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  15. Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - 8900567

    Sig Sauer Replacement Barrel for Sig P320 - Reliable Black Upgrade - 8900567

    Regular Price $234.99 Special Price $210.99
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  16. Sig Sauer Elite .270 Winchester 150 gr Ammo Nosler AccuBond - 20rds - E270AB15020

    Sig Sauer Elite .270 Winchester 150 gr Ammo Nosler AccuBond - 20rds - E270AB15020

    Regular Price $57.99 Special Price $51.59 $2.58
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  17. Sig Sauer Elite Copper .270 Winchester 120 gr Ammo Solid - 20rds - E270H120

    Sig Sauer Elite Copper .270 Winchester 120 gr Ammo Solid - 20rds - E270H120

    Regular Price $44.99 Special Price $39.99 $2.00
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  18. Sig Sauer Venari .30-06 Springfield 165 gr Ammo SP - 20rds - V3006SP16520

    Sig Sauer Venari .30-06 Springfield 165 gr Ammo SP - 20rds - V3006SP16520

    Regular Price $40.99 Special Price $36.49 $1.82
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  19. Sig Sauer Venari 7mm Remington Magnum 154 gr Ammo SP - 20rds - V7MMSP15420

    Sig Sauer Venari 7mm Remington Magnum 154 gr Ammo SP - 20rds - V7MMSP15420

    Regular Price $51.99 Special Price $46.69 $2.33
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  20. Sig Sauer .277 Fury 150 gr Ammo Nosler AccuBond - 20rds - H277SFAB15020

    Sig Sauer .277 Fury 150 gr Ammo Nosler AccuBond - 20rds - H277SFAB15020

    Rating:
    80%
    (1)
    Regular Price $81.99 Special Price $73.99 $3.70
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  21. Sig Sauer Venari .270 Winchester 140 gr Ammo SP - 20rds - V270SP13020

    Sig Sauer Venari .270 Winchester 140 gr Ammo SP - 20rds - V270SP13020

    Regular Price $40.99 Special Price $36.49 $1.82
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  22. Sig Clutch-Lok 25 deg Tapered QD Flash Hider for Sig 5.56mm SLH/SLX - SL-556-12X28-25DEG-F

    Sig Clutch-Lok 25 deg Tapered QD Flash Hider for Sig 5.56mm SLH/SLX - SL-556-12X28-25DEG-F

    $149.99
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  23. Sig Clutch-Lok 90 deg Shouldered QD Muzzle Brake for Sig 5.56mm SLH/SLX - SL-556-12X28-90DEG-M

    Sig Clutch-Lok 90 deg Shouldered QD Muzzle Brake for Sig 5.56mm SLH/SLX - SL-556-12X28-90DEG-M

    $149.99
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  24. Sig Clutch-Lok 90 deg Shouldered QD Flash Hider for Sig 5.56mm SLH/SLX - SL-556-12X28-90DEG-F

    Sig Clutch-Lok 90 deg Shouldered QD Flash Hider for Sig 5.56mm SLH/SLX - SL-556-12X28-90DEG-F

    Rating:
    100%
    (1)
    Regular Price $167.99 Special Price $150.99
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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.