Skip to content

Geissele Automatics

Filters

  • 10-247
    Backordered

    Geissele Automatics Reaction Rod | 7.62 NATO | Makes The Removal and Installation of Barrels | Flash Hiders | Gas Blocks | and Handguards Much Easier and Simpler | Prevents Marring | 4140 Chrome Moly Steel | Black

    $210.00
    $210.00 - $210.00
    $210.00
    $210.00
    $210.00 - $210.00
    $210.00

    The AR-10/SR25 Reaction Rod makes the removal and installation of barrels, flash hiders, gas blocks and hand guards much easier and simpler. The Re...

    View full details
  • 10-169
    Backordered

    Geissele Automatics Reaction Rod | 223 Remington/5.56 NATO | Makes The Removal and Installation of Barrels | Flash Hiders | Gas Blocks | and Handguards Much Easier and Simpler | Prevents Marring | 4140 Chrome Moly Steel | Black

    $105.00
    $105.00 - $105.00
    $105.00
    $105.00
    $105.00 - $105.00
    $105.00

    The 556/223 Caliber Reaction Rod makes the removal and installation of barrels, flash hiders, gas blocks and hand guards much easier and simpler. T...

    View full details
  • 08-548S
    Backordered

    Geissele Automatics Super Duty MOD1 | Complete Upper Receiver | 5.56 NATO | 16" Barrel | 1:7 Twist | HUXWRX Flash Hider-QD 556 | 15" SMR MK16 M-LOK Free Float Handguard | Geissele Airborne Charging Handle | Nanoweapon Reliability Enhanced Bolt Car

    $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....

    View full details
  • 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....

    View full details
  • 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....

    View full details
  • 08-548B
    Backordered

    Geissele Automatics Super Duty MOD1 | Complete Upper Receiver | 5.56 NATO | 16" Barrel | 1:7 Twist | HUXWRX Flash Hider-QD 556 | 15" SMR MK16 M-LOK Free Float Handguard | Geissele Airborne Charging Handle | Nanoweapon Reliability Enhanced Bolt Car

    $1,325.00
    $1,325.00 - $1,325.00
    $1,325.00
    $1,325.00
    $1,325.00 - $1,325.00
    $1,325.00

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

    View full details
  • 08-547B
    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

    $1,325.00
    $1,325.00 - $1,325.00
    $1,325.00
    $1,325.00
    $1,325.00 - $1,325.00
    $1,325.00

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

    View full details
  • 08-546B
    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

    $1,325.00
    $1,325.00 - $1,325.00
    $1,325.00
    $1,325.00
    $1,325.00 - $1,325.00
    $1,325.00

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

    View full details
  • 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. ...

    View full details
  • 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. ...

    View full details
  • 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. ...

    View full details
  • 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. ...

    View full details
  • 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...

    View full details
  • 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...

    View full details
  • 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...

    View full details
  • 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...

    View full details
  • 05-987

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

    $68.00
    $68.00 - $68.00
    $68.00
    $68.00
    $68.00 - $68.00
    $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...

    View full details
  • 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...

    View full details
  • 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...

    View full details
  • 05-807B

    Geissele Automatics Super Gas Block | .750 | Gas Block

    $84.00
    $84.00 - $84.00
    $84.00
    $84.00
    $84.00 - $84.00
    $84.00

    The Geissele Super Gas Block is a low profile gas block, designed to fit under most free floating handguards. Precision investment cast from 17-4 p...

    View full details
  • 05-792S

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

    $400.00
    $400.00 - $400.00
    $400.00
    $400.00
    $400.00 - $400.00
    $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...

    View full details
  • 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. ...

    View full details
  • 05-664S

    Geissele Automatics USASOC Airborne Charging Handle | Desert Dirt Color

    $130.00
    $130.00 - $130.00
    $130.00
    $130.00
    $130.00 - $130.00
    $130.00

    High quality components and precise manufacturing make Geissele parts ideal for maintaining and upgrading firearms. The durability, reliability and...

    View full details
  • 05-792B
    05-650S

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

    $375.00
    $375.00 - $375.00
    $375.00
    $375.00
    $375.00 - $375.00
    $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
  • 05-650B

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

    $350.00
    $350.00 - $350.00
    $350.00
    $350.00
    $350.00 - $350.00
    $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...

    View full details
  • 05-578S

    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
    $325.00 - $325.00
    $325.00
    $325.00
    $325.00 - $325.00
    $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...

    View full details
  • 05-578B

    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
    $300.00 - $300.00
    $300.00
    $300.00
    $300.00 - $300.00
    $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...

    View full details
  • 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...

    View full details
  • 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...

    View full details
  • 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...

    View full details
  • 05-573B

    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
    $350.00 - $350.00
    $350.00
    $350.00
    $350.00 - $350.00
    $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...

    View full details
  • 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...

    View full details
  • 05-497B

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

    $110.00
    $110.00 - $110.00
    $110.00
    $110.00
    $110.00 - $110.00
    $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...

    View full details
  • 05-495-H3

    Geissele Automatics Super 42 | Kit | H3 Buffer and Braided Wire Buffer Spring Combo | Fits AR-15

    $142.00
    $142.00 - $142.00
    $142.00
    $142.00
    $142.00 - $142.00
    $142.00

    The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique sprin...

    View full details
  • 05-495-H2

    Geissele Automatics Super 42 | Kit | H2 Buffer and Braided Wire Buffer Spring Combo | Fits AR-15

    $114.00
    $114.00 - $114.00
    $114.00
    $114.00
    $114.00 - $114.00
    $114.00

    The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique sprin...

    View full details
  • 05-495

    Geissele Automatics Super 42 Braided Wire Buffer and Spring Combo | Not Compatible with Rifle Length or A5 Buffer Tubes/Receiver Extensions | Fits AR15

    $89.00
    $89.00 - $89.00
    $89.00
    $89.00
    $89.00 - $89.00
    $89.00

    The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique sprin...

    View full details
Free Shipping

No catches. Always in the USA.

Secure Payment

Guaranteed Secure Payment. SSL AES-256.

Certified 360°

Certified products. Certified and trusted shipping.

Clovis, California

Family owned and operated in the USA.

Professionals Trust Atomic Defense

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