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  • GBRS Assaulter Belt System V3 - Made in USA - Berry Compliant

    $209.99
    Original price $209.99 - Original price $209.99
    Original price $209.99
    $209.99
    $209.99 - $209.99
    Current price $209.99

    GBRS Assaulter Belt System V3: Ultimate Modular Tactical Belt for Comfort and Versatility The GBRS Assaulter Belt System V3 is a versatile, high-...

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  • GBRS Group Assaulter Belt Bundle - Made in USA

    Original price $419.99 - Original price $469.99
    Original price $419.99 - Original price $469.99
    Original price $419.99
    From $369.99
    $369.99 - $399.99
    Current price $369.99

    GBRS Group Assaulter Belt Bundle - Durable and Reliable with a Limited Lifetime Warranty The GBRS Group Assaulter Belt Bundle is a high-performan...

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  • GBRS Group Lerna Mount Kit - Made in USA

    Original price $174.00 - Original price $184.00
    Original price $174.00 - Original price $184.00
    Original price $174.00
    From $174.00
    $174.00 - $184.00
    Current price $174.00

    GBRS Group Lerna Mount Kit - Durable, Unique, and Precision-Engineered The GBRS Group Lerna Mount Kit is a versatile accessory designed to enhanc...

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  • GBRS Group Modular Chest Rig Kit - Made in USA

    $147.99
    Original price $147.99 - Original price $147.99
    Original price $147.99
    $147.99
    $147.99 - $147.99
    Current price $147.99

    GBRS Group Modular Chest Rig Kit - Enhanced Situational Awareness and Tactical Efficiency The GBRS Group Modular Chest Rig Kit is a versatile and...

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  • GBRS Group Modular Chest Rig Split Kit - Made in USA

    $177.99
    Original price $177.99 - Original price $177.99
    Original price $177.99
    $177.99
    $177.99 - $177.99
    Current price $177.99

    GBRS Group Modular Chest Rig Split Kit – Adaptable, High-Performance Gear Made in the USA Designed for maximum modularity, the GBRS Group Modular...

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  • GBRS Group Second Best Sling - Made in USA

    $59.99
    Original price $59.99 - Original price $59.99
    Original price $59.99
    $59.99
    $59.99 - $59.99
    Current price $59.99

    GBRS Group Second Best Sling - Versatile and Adjustable for Seamless Functionality Purpose-built design - The GBRS Group Second Best Sling is eng...

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  • GBRS Hydra Mount - Optic & Laser Mount, NVG Ready - Proudly Made in the USA

    $334.99
    Original price $334.99 - Original price $349.99
    Original price $334.99
    From $334.99
    $334.99 - $349.99
    Current price $334.99

    GBRS Hydra Mount V2: Co-Elevated Optic & Laser Mounting for Unobstructed Tactical Aiming The GBRS Group Hydra V2 Mount Kit, also known as the ...

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  • Geissele Automatics Airborne Charging Handle | Low Profile Lever Design | 7075-T6 Aluminum | Ambidextrous | Black Finish | Fits AR 15

    $110.00
    Original price $110.00 - Original price $110.00
    Original price $110.00
    $110.00
    $110.00 - $110.00
    Current price $110.00

    The Airborne Charging Handle (ACH) was developed at the request of an elite organization famous for its expertise in aerial insertion. The organiza...

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  • Geissele Automatics Airborne Charging Handle | Low Profile Lever Design | 7075-T6 Aluminum | Ambidextrous | Desert Dirt Color Finish | Fits AR 15 | Product Finishes | Shade Variations and Other Imperfections Are Normal Due to the Manufacturing Proc

    $120.00
    Original price $120.00 - Original price $120.00
    Original price $120.00
    $120.00
    $120.00 - $120.00
    Current price $120.00

    The Airborne Charging Handle (ACH) was developed at the request of an elite organization famous for its expertise in aerial insertion. The organiza...

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  • Geissele Automatics Barrel Nut Wrench | Black

    $11.00
    Original price $11.00 - Original price $11.00
    Original price $11.00
    $11.00
    $11.00 - $11.00
    Current price $11.00

    Geissele Automatics makes some of the finest high-performance parts on the firearms market today. KEY FEATURES: Barrel Nut Wrench

  • Geissele Automatics Buffer Tube Complete Assembly | Fits AR-15 | Anodized Finish | Black | 6-Position | H2 Buffer | Super 42 Spring

    $161.00
    Original price $161.00 - Original price $161.00
    Original price $161.00
    $161.00
    $161.00 - $161.00
    Current price $161.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from 7075-T6 aluminum, finished in Type 3 Hardcoat Anodize, and built to mil-spec standards. ...

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  • Geissele Automatics Buffer Tube Complete Assembly | Fits AR-15 | Anodized Finish | Black | 6-Position | H3 Buffer | Super 42 Spring

    $189.00
    Original price $189.00 - Original price $189.00
    Original price $189.00
    $189.00
    $189.00 - $189.00
    Current price $189.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from 7075-T6 aluminum, finished in Type 3 Hardcoat Anodize, and built to mil-spec standards. ...

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  • Geissele Automatics Buffer Tube Complete Assembly | Fits AR-15 | Anodized Finish | Desert Dirt Color | 6-Position | H2 Buffer | Super 42 Spring

    $172.00
    Original price $172.00 - Original price $172.00
    Original price $172.00
    $172.00
    $172.00 - $172.00
    Current price $172.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from 7075-T6 aluminum, finished in Type 3 Hardcoat Anodize, and built to mil-spec standards. ...

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  • Geissele Automatics Buffer Tube Complete Assembly | Fits AR-15 | Anodized Finish | Desert Dirt Color | 6-Position | H3 Buffer | Super 42 Spring

    $197.00
    Original price $197.00 - Original price $197.00
    Original price $197.00
    $197.00
    $197.00 - $197.00
    Current price $197.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from 7075-T6 aluminum, finished in Type 3 Hardcoat Anodize, and built to mil-spec standards. ...

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  • Geissele Automatics Buffer Tube | Fits AR-15 | Anodized Finish | Black | 6-Position

    $68.00
    Original price $68.00 - Original price $68.00
    Original price $68.00
    $68.00
    $68.00 - $68.00
    Current price $68.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from quality 7075-T6 Aluminum and finished in Type 3 Hardcoat Anodize, available in Black, Ge...

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  • Geissele Automatics Buffer Tube | Fits AR-15 | Anodized Finish | Desert Dirt Color | 6-Position

    $80.00
    Original price $80.00 - Original price $80.00
    Original price $80.00
    $80.00
    $80.00 - $80.00
    Current price $80.00

    The Geissele Premium Mil-Spec Buffer Tube is machined from quality 7075-T6 Aluminum and finished in Type 3 Hardcoat Anodize, available in Black, Ge...

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  • Geissele Automatics Hi-Speed Match Universal Trigger | Includes 1 Trigger and 3 Springs (for the Hi-Speed Match | Hi-Speed DMR and Hi-Speed Service Trigger) | Black

    $289.00
    Original price $289.00 - Original price $289.00
    Original price $289.00
    $289.00
    $289.00 - $289.00
    Current price $289.00

    Hi-Speed National Match Triggers Geissele Automatics currently offers three large pin Hi-Speed trigger products. These adjustable triggers are spec...

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  • Geissele Automatics Lower Parts Kit | Standard with Grip | For AR-15 | Does Not Include Fire Control Group

    $68.00
    Original price $68.00 - Original price $68.00
    Original price $68.00
    $68.00
    $68.00 - $68.00
    Current price $68.00

    The Geissele Ultra Duty Lower Parts Kit is made for the most demanding operators and includes all the internal parts necessary to complete or rebui...

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  • Geissele Automatics Lower Parts Kit | Standard | For AR-15 | Does Not Include Fire Control Group

    $62.00
    Original price $62.00 - Original price $62.00
    Original price $62.00
    $62.00
    $62.00 - $62.00
    Current price $62.00

    The Geissele Standard Lower Parts Kit includes all the internal parts necessary to complete or rebuild your lower receiver. This quality mil-spec k...

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  • Geissele Automatics Lower Parts Kit | Ultra Duty | For AR-15 | Black | Does Not Include Fire Control Group

    $153.00
    Original price $153.00 - Original price $153.00
    Original price $153.00
    $153.00
    $153.00 - $153.00
    Current price $153.00

    The Geissele Ultra Duty Lower Parts Kit is designed for the most demanding operators and includes all the internal parts needed to complete or rebu...

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  • Geissele Automatics Lower Parts Kit | Ultra Duty | For AR-15 | Desert Tan | Does Not Include Fire Control Group

    $158.00
    Original price $158.00 - Original price $158.00
    Original price $158.00
    $158.00
    $158.00 - $158.00
    Current price $158.00

    The Geissele Ultra Duty Lower Parts Kit is designed for the most demanding operators and includes all the internal parts needed to complete or rebu...

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  • Geissele Automatics Maritime Bolt Catch

    $31.00
    Original price $31.00 - Original price $31.00
    Original price $31.00
    $31.00
    $31.00 - $31.00
    Current price $31.00

    The Geissele Maritime Bolt Catch is designed with the warfighter in mind and will work with any lower receiver designed to accept a mil-spec M16/M4...

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  • Geissele Automatics MK14 | Super Modular Rail | Handguard | 13.5" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black

    $350.00
    Original price $350.00 - Original price $350.00
    Original price $350.00
    $350.00
    $350.00 - $350.00
    Current price $350.00

    Geissele's Super Modular Rail (SMR) MK14 M-LOK handguard is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard desi...

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  • Geissele Automatics MK14 | Super Modular Rail | Handguard | 13.5" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Desert Dirt Color | Product Finishes | Shade Variations and Other Imperfections Are Normal Due t

    $375.00
    Original price $375.00 - Original price $375.00
    Original price $375.00
    $375.00
    $375.00 - $375.00
    Current price $375.00

    Geissele's Super Modular Rail (SMR) MK14 M-LOK handguard is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard desi...

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  • Geissele Automatics MK14 | Super Modular Rail | Handguard | 15" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black

    $375.00
    Original price $375.00 - Original price $375.00
    Original price $375.00
    $375.00
    $375.00 - $375.00
    Current price $375.00

    Geissele's Super Modular Rail (SMR) MK14 M-LOK handguard is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard desi...

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  • Geissele Automatics MK14 | Super Modular Rail | Handguard | 15" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Desert Dirt Color | Product Finishes | Shade Variations and Other Imperfections Are Normal Due to

    $400.00
    Original price $400.00 - Original price $400.00
    Original price $400.00
    $400.00
    $400.00 - $400.00
    Current price $400.00

    Geissele's Super Modular Rail (SMR) MK14 M-LOK handguard is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard desi...

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  • Geissele Automatics MK14 | Super Modular Rail | Handguard | 9.3" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black

    $300.00
    Original price $300.00 - Original price $300.00
    Original price $300.00
    $300.00
    $300.00 - $300.00
    Current price $300.00

    Geissele's Super Modular Rail (SMR) MK14 M-LOK handguard is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard desi...

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  • Geissele Automatics MK14 | Super Modular Rail | Handguard | 9.3" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Desert Dirt Color | Product Finishes | Shade Variations and Other Imperfections Are Normal Due to

    $325.00
    Original price $325.00 - Original price $325.00
    Original price $325.00
    $325.00
    $325.00 - $325.00
    Current price $325.00

    Geissele's Super Modular Rail (SMR) MK14 M-LOK handguard is the latest entry to the Geissele line-up of Super Modular Rails. The new handguard desi...

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  • Geissele Automatics MK16 | Super Modular Rail | AR15 Handguard | 10.5" | M-LOK | Anodized Finish | Black

    $325.00
    Original price $325.00 - Original price $325.00
    Original price $325.00
    $325.00
    $325.00 - $325.00
    Current price $325.00

    The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated ve...

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  • Geissele Automatics MK16 | Super Modular Rail | AR15 Handguard | 10.5" | M-LOK | Anodized Finish | Desert Dirt Color

    $350.00
    Original price $350.00 - Original price $350.00
    Original price $350.00
    $350.00
    $350.00 - $350.00
    Current price $350.00

    The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated ve...

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  • Geissele Automatics MK16 | Super Modular Rail | AR15 Handguard | 13.5" | M-LOK | Anodized Finish | Black

    $350.00
    Original price $350.00 - Original price $350.00
    Original price $350.00
    $350.00
    $350.00 - $350.00
    Current price $350.00

    The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated ve...

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  • Geissele Automatics MK16 | Super Modular Rail | AR15 Handguard | 13.5" | M-LOK | Anodized Finish | Desert Dirt Color

    $375.00
    Original price $375.00 - Original price $375.00
    Original price $375.00
    $375.00
    $375.00 - $375.00
    Current price $375.00

    The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated ve...

    View full details
  • Geissele Automatics MK16 | Super Modular Rail | AR15 Handguard | 15" | M-LOK | Anodized Finish | Desert Dirt Color

    $400.00
    Original price $400.00 - Original price $400.00
    Original price $400.00
    $400.00
    $400.00 - $400.00
    Current price $400.00

    The Geissele Super Modular Rail MK16 offers unmatched performance for the most demanding shooters. Mounted to your AR-15 upper using the updated ve...

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  • Geissele Automatics MK18 | Super Modular Rail | ARCA-Swiss Handguard | 16" | M-LOK | Fits AR-15 | Anodized Finish | Desert Dirt Color

    $450.00
    Original price $450.00 - Original price $450.00
    Original price $450.00
    $450.00
    $450.00 - $450.00
    Current price $450.00

    The MK18 is the latest in the line of Geissele Super Modular rails and is specifically made to interface with the Arca-Swiss Quick Release System. ...

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  • Geissele Automatics MK4 Federal | MK4 | Rail | Desert Tan | MLOK | AR15 | 10" | Product Finishes | Shade Variations and Other Imperfections Are Normal Due to the Manufacturing Process

    $425.00
    Original price $425.00 - Original price $425.00
    Original price $425.00
    $425.00
    $425.00 - $425.00
    Current price $425.00

    This is the same rail used to fulfill contracts for the Federal Bureau of Investigation (FBI). It's strength, modularity and M-Lok compatibility gi...

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  • Geissele Automatics MK4 Federal | Rail | Olive Drab Green | MLOK | AR15 | 10"

    $408.00
    Original price $408.00 - Original price $408.00
    Original price $408.00
    $408.00
    $408.00 - $408.00
    Current price $408.00

    Geissele's Super Modular MK4 Rail is used by the Federal Bureau of Investigation due to its strength, modularity, and M-LOK compatibility. It featu...

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What People Like You Are Saying

11/10! The small touches made such a big impact, like the patch, stickers and jolly ranchers were something I am beyond grateful for! Amazing product! Great price, very much satisfied.

C. Nelson

If you want updates regularly, just shoot Atomic Defense a message. They always respond quickly and answer any questions you have and can clarify. (*Modified for read-ability and formatting.)

S. Stocker

It's comfortable, like 8.9/10. I'm happy I went with Atomic Defense. Genuine equipment you can trust your life with.(*Modified for read-ability and formatting.)

C. Flick