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  • 08-163B-H3
    Backordered

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

    $189.00
    $189.00 - $189.00
    $189.00
    $189.00
    $189.00 - $189.00
    $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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  • 08-162S
    Backordered

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

    $80.00
    $80.00 - $80.00
    $80.00
    $80.00
    $80.00 - $80.00
    $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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  • 08-547S
    Backordered

    Geissele Automatics Super Duty MOD1 | Complete Upper Receiver | 5.56 NATO | 14.5" Pinned (16" OAL) Barrel | M-LOK Free Float Handguard | Geissele Airborne Charging Handle | Nanoweapon Reliability Enhanced Bolt Carrier Group | Fits AR-15 | Anodized

    $1,450.00
    $1,450.00 - $1,450.00
    $1,450.00
    $1,450.00
    $1,450.00 - $1,450.00
    $1,450.00

    Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence....

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  • 08-163S-H2
    Backordered

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

    $172.00
    $172.00 - $172.00
    $172.00
    $172.00
    $172.00 - $172.00
    $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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  • 08-546S
    Backordered

    Geissele Automatics Super Duty MOD1 | Complete Upper Receiver | 5.56 NATO | 13.9" Pinned (16" OAL) Barrel | M-LOK Free Float Handguard | Geissele Airborne Charging Handle | Nanoweapon Reliability Enhanced Bolt Carrier Group | Fits AR-15 | Anodized

    $1,450.00
    $1,450.00 - $1,450.00
    $1,450.00
    $1,450.00
    $1,450.00 - $1,450.00
    $1,450.00

    Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence....

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  • 08-163B-H2
    Backordered

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

    $161.00
    $161.00 - $161.00
    $161.00
    $161.00
    $161.00 - $161.00
    $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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  • 08-159
    Backordered

    Geissele Automatics URG-I | Near Clone | Complete Upper Receiver | 5.56 NATO | 14.5" (16" OAL) Barrel | 1:7 Twist | Pinned and Welded Surefire 4 Prong Flash Hider | Desert Dirt Color 13.5" SMR MK16 M-LOK Free Float Handguard | Desert Dirt Color Ge

    $1,525.00
    $1,525.00 - $1,525.00
    $1,525.00
    $1,525.00
    $1,525.00 - $1,525.00
    $1,525.00

    For more than 50 years the famed silhouette of the M16/M4 has only had one major and several minor changes. Barrel lengths and buttstocks have chan...

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  • 08-163S-H3
    Backordered

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

    $197.00
    $197.00 - $197.00
    $197.00
    $197.00
    $197.00 - $197.00
    $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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  • 05-960
    Backordered

    Geissele Automatics Super Semi-Automatic Enhanced X | Lightning Bow | Fits AR-15 | 2 Stage | Black

    $335.00
    $335.00 - $335.00
    $335.00
    $335.00
    $335.00 - $335.00
    $335.00

    The SSA-E X with Lightning Bow trigger delivers the ultimate in trigger control, with a semi-curved, wide-body profile that combines the best featu...

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  • 05-791S
    Backordered

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

    $450.00
    $450.00 - $450.00
    $450.00
    $450.00
    $450.00 - $450.00
    $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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  • 08-153
    Backordered

    Geissele Automatics Maritime Bolt Catch

    $31.00
    $31.00 - $31.00
    $31.00
    $31.00
    $31.00 - $31.00
    $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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  • 08-162B
    Backordered

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

    $68.00
    $68.00 - $68.00
    $68.00
    $68.00
    $68.00 - $68.00
    $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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  • 05-887
    Backordered

    Geissele Automatics Posi-Snap Safety Selector | Safety Selector | Ambidextrous | Fits AR-15 | Matte Finish | Black

    $42.00
    $42.00 - $42.00
    $42.00
    $42.00
    $42.00 - $42.00
    $42.00

    The Geissele Posi-Snap Ambidextrous safety is made from 400 series stainless steel, and features Geissele's Posi-Snap design that offers a very pos...

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  • 05-575B
    Backordered

    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
    $375.00 - $375.00
    $375.00
    $375.00
    $375.00 - $375.00
    $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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  • 05-573S
    Backordered

    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
    $375.00 - $375.00
    $375.00
    $375.00
    $375.00 - $375.00
    $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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  • 05-575S
    Backordered

    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
    $400.00 - $400.00
    $400.00
    $400.00
    $400.00 - $400.00
    $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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  • 05-492-H3
    Backordered

    Geissele Automatics Reliability Enhancement Kit | Parts Kit | Includes Reliability Enhanced Bolt Carrier Group | Super 42 Braided Wire Buffer Spring | H3 Buffer Weight | Silver

    $494.00
    $494.00 - $494.00
    $494.00
    $494.00
    $494.00 - $494.00
    $494.00

    The Reliability Enhanced Bolt Carrier Group is a 5.56mm full-mass, full-auto-rated M16/M4 bolt carrier group manufactured in Geissele's state-of-th...

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  • 05-664B
    05-497S
    Backordered

    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
    $120.00 - $120.00
    $120.00
    $120.00
    $120.00 - $120.00
    $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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  • 05-492-H2
    Backordered

    Geissele Automatics Reliability Enhancement Kit | Parts Kit | Includes R^eliability Enhanced Bolt Carrier Group | Super 42 Braided Wire Buffer Spring | H2 Buffer Weight | Silver

    $469.00
    $469.00 - $469.00
    $469.00
    $469.00
    $469.00 - $469.00
    $469.00

    The Reliability Enhanced Bolt Carrier Group is a 5.56mm full-mass, full-auto-rated M16/M4 bolt carrier group manufactured in Geissele's state-of-th...

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  • 05-492-H1
    Backordered

    Geissele Automatics Reliability Enhancement Kit | Parts Kit | Includes Reliability Enhanced Bolt Carrier Group | Super 42 Braided Wire Buffer Spring | H1 Buffer Weight | Silver

    $444.00
    $444.00 - $444.00
    $444.00
    $444.00
    $444.00 - $444.00
    $444.00

    The Reliability Enhanced Bolt Carrier Group is a 5.56mm full-mass, full-auto-rated M16/M4 bolt carrier group manufactured in Geissele's state-of-th...

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  • 05-430S
    Backordered

    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
    $425.00 - $425.00
    $425.00
    $425.00
    $425.00 - $425.00
    $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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  • 05-400
    Backordered

    Geissele Automatics Single-Stage Precision M4 Curved Bow | Black Finish

    $250.00
    $250.00 - $250.00
    $250.00
    $250.00
    $250.00 - $250.00
    $250.00

    The Single-Stage Precision (SSP) is Geissele Automatics' first true single-stage trigger for the AR Platform. This drop-in trigger has no take up a...

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  • 05-403B
    Backordered

    Geissele Automatics Super Precision | Mount | Fits Trijicon ACOG | Black

    $145.00
    $145.00 - $145.00
    $145.00
    $145.00
    $145.00 - $145.00
    $145.00

    The Super Precision ACOG Series was developed specifically to work with the Trijicon 4x power ACOG series of optics. These mounts are precision mac...

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  • 05-381B
    05-329B
    Backordered

    Geissele Automatics Super Precision | Mount | 30mm | Fits Vortex 1-6X Scopes | Black Color | Anodized Finish

    $335.00
    $335.00 - $335.00
    $335.00
    $335.00
    $335.00 - $335.00
    $335.00

    This AR-15 Scope Mount is part of The Geissele SOPMOD Certified Series features Geissele products currently in use by top tier military and counter...

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  • 05-430ODG
    Backordered

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

    $408.00
    $408.00 - $408.00
    $408.00
    $408.00
    $408.00 - $408.00
    $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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  • 05-405B
    05-404B
    Backordered

    Geissele Automatics Super Precision | Mount | 30mm | Black Color | Anodized Finish

    $335.00
    $335.00 - $335.00
    $335.00
    $335.00
    $335.00 - $335.00
    $335.00

    The AR-15/M4 Super Precision series of scope mounts are optimized for use with an AR-15/M4 upper. The mounting surface spans 7 picatinny sections a...

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  • May-34
    Backordered

    Geissele Automatics Ultra Duty Mag Release | Magazine Release | Fits AR-15 | Matte Finish | Black

    $13.00
    $13.00 - $13.00
    $13.00
    $13.00
    $13.00 - $13.00
    $13.00

    The Geissele Ultra Duty Mag Release Button features a texture that matches Geissele's Maritime Bolt Catch, allowing you to complete the high-end lo...

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  • May-92
    Backordered

    Geissele Automatics Reliability Enhanced | Bolt Carrier and Gas Key | Black

    $148.00
    $148.00 - $148.00
    $148.00
    $148.00
    $148.00 - $148.00
    $148.00

    The Reliability Enhanced Bolt Carrier is a 5.56mm full-mass, full-auto-rated M16/M4 bolt carrier group manufactured in Geissele's state-of-the-art ...

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  • May-93
    Backordered

    Geissele Automatics Reliability Enhanced BCG | Bolt Carrier Group | 5.56 NATO | Includes Geissele Stress Proof Bolt | Black

    $393.00
    $393.00 - $393.00
    $393.00
    $393.00
    $393.00 - $393.00
    $393.00

    The Geissele Reliability Enhanced Bolt Carrier Group comes with the Geissele Stressproof Bolt. The Forged Stressproof Bolt is made from Carpenter 1...

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  • May-84
    Backordered

    Geissele Automatics Rifle Barrel | 5.56 NATO | 16" Cold Hammer Forged Barrel | 1/2X28 Thread Pitch | Fits AR-15 | Chrome Lined | Geissele Taper Profile | Mid-Length Gas System | Manganese Phosphate Finish | Black

    $365.00
    $365.00 - $365.00
    $365.00
    $365.00
    $365.00 - $365.00
    $365.00

    Geissele barrels are precision-machined and cold-hammer-forged using the highest-quality materials at their state-of-the-art facility in North Wale...

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  • May-13
    Backordered

    Geissele Automatics Rifle Barrel | 5.56 NATO | 16" Cold Hammer Forged Barrel | 1/2X28 Thread Pitch | Fits AR-15 | Chrome Lined | Heavy Profile | Mid-Length Gas System | Manganese Phosphate Finish | Black

    $365.00
    $365.00 - $365.00
    $365.00
    $365.00
    $365.00 - $365.00
    $365.00

    Geissele barrels are precision-machined and cold-hammer-forged using the highest-quality materials at their state-of-the-art facility in North Wale...

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  • 05-315S
    Backordered

    Geissele Automatics MK4 | 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 t

    $400.00
    $400.00 - $400.00
    $400.00
    $400.00
    $400.00 - $400.00
    $400.00

    Versatile and innovative, Geissele's MK4 DDC Super Modular Rail is a perfect addition to any AR-platform. It features a full length picatinny rail ...

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  • 05-284B
    Backordered

    Geissele Automatics MK8 | Super Modular Rail | Handguard | 9.3" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black

    $300.00
    $300.00 - $300.00
    $300.00
    $300.00
    $300.00 - $300.00
    $300.00

    The Super Modular Rail (SMR) MK8 M-LOK is Geissele's ultra-modular handguard model. The SMR MK8 is one of the first rails available to utilize the ...

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  • May-91
    Backordered

    Geissele Automatics Stress Proof Bolt Assembly | Bolt | Fits AR-15 | Black

    $255.00
    $255.00 - $255.00
    $255.00
    $255.00
    $255.00 - $255.00
    $255.00

    The Geissele Stressproof Bolt is proudly featured in their Reliability Enhanced Bolt Carrier Group. The Forged Stressproof Bolt is made from Carpen...

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  • 05-181
    Backordered

    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
    $289.00 - $289.00
    $289.00
    $289.00
    $289.00 - $289.00
    $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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  • 05-315B
    05-315B

    Geissele Automatics MK4 | 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 to

    $375.00
    $375.00 - $375.00
    $375.00
    $375.00
    $375.00 - $375.00
    $375.00

    The Super Modular Rail (SMR) MK4 M-LOK is Geissele's ultra-lightweight M-LOK handguard option. These rails are purpose-built and feature integrated...

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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