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Products (5999 Results)
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Geissele Automatics MK4 Federal | Super Modular Rail | 10" | M-LOK | Black | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included
$400.00Original price $400.00 - Original price $400.00Original price $400.00$400.00$400.00 - $400.00Current price $400.00This 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 | Super Modular Rail | Handguard | 10.5" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black
$325.00Original price $325.00 - Original price $325.00Original price $325.00$325.00$325.00 - $325.00Current price $325.00Versatile 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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Geissele Automatics MK4 | Super Modular Rail | Handguard | 13.5" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black
$350.00Original price $350.00 - Original price $350.00Original price $350.00$350.00$350.00 - $350.00Current price $350.00The 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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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
$375.00Original price $375.00 - Original price $375.00Original price $375.00$375.00$375.00 - $375.00Current price $375.00The 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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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
$400.00Original price $400.00 - Original price $400.00Original price $400.00$400.00$400.00 - $400.00Current price $400.00Versatile 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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Geissele Automatics MK4 | Super Modular Rail | Handguard | 9.3" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black
$300.00Original price $300.00 - Original price $300.00Original price $300.00$300.00$300.00 - $300.00Current price $300.00The 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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Geissele Automatics MK4 | 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
$325.00Original price $325.00 - Original price $325.00Original price $325.00$325.00$325.00 - $325.00Current price $325.00The 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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Geissele Automatics MK8 | Super Modular Rail | Handguard | 10.5" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black
$325.00Original price $325.00 - Original price $325.00Original price $325.00$325.00$325.00 - $325.00Current price $325.00Versatile and innovative, Geissele's MK8 DDC Super Modular Rail is a perfect addition to any AR-platform. It features M-LOK attachment points in th...
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Geissele Automatics MK8 | Super Modular Rail | Handguard | 10.5" | 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
$350.00Original price $350.00 - Original price $350.00Original price $350.00$350.00$350.00 - $350.00Current price $350.00Versatile and innovative, Geissele's MK8 DDC Super Modular Rail is a perfect addition to any AR-platform. It features M-LOK attachment points in th...
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Geissele Automatics MK8 | 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
$375.00Original price $375.00 - Original price $375.00Original price $375.00$375.00$375.00 - $375.00Current price $375.00The 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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Geissele Automatics MK8 | Super Modular Rail | Handguard | 9.3" | M-LOK | Barrel Nut Wrench Sold Separately (GEI-02-243) | Gas Block Not Included | Black
$300.00Original price $300.00 - Original price $300.00Original price $300.00$300.00$300.00 - $300.00Current price $300.00The 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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Geissele Automatics MK8 | 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
$325.00Original price $325.00 - Original price $325.00Original price $325.00$325.00$325.00 - $325.00Current price $325.00The 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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Geissele Automatics Posi-Snap Safety Selector | Safety Selector | Ambidextrous | Fits AR-15 | Matte Finish | Black
$42.00Original price $42.00 - Original price $42.00Original price $42.00$42.00$42.00 - $42.00Current price $42.00The 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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Geissele Automatics Posi-Snap Safety Selector | Safety Selector | Fits AR-15 | Matte Finish | Black
$37.00Original price $37.00 - Original price $37.00Original price $37.00$37.00$37.00 - $37.00Current price $37.00The Geissele Posi-Snap safety is made from 400 series stainless steel, and features Geissele's Posi-Snap design that offers a very positive and tac...
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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
$105.00Original price $105.00 - Original price $105.00Original price $105.00$105.00$105.00 - $105.00Current price $105.00The 556/223 Caliber Reaction Rod makes the removal and installation of barrels, flash hiders, gas blocks and hand guards much easier and simpler. T...
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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
$210.00Original price $210.00 - Original price $210.00Original price $210.00$210.00$210.00 - $210.00Current price $210.00The 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...
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Geissele Automatics Reliability Enhanced BCG | Bolt Carrier Group | 5.56 NATO | Includes Geissele Stress Proof Bolt | Black
$393.00Original price $393.00 - Original price $393.00Original price $393.00$393.00$393.00 - $393.00Current price $393.00The 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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Geissele Automatics Reliability Enhanced | Bolt Carrier and Gas Key | Black
$148.00Original price $148.00 - Original price $148.00Original price $148.00$148.00$148.00 - $148.00Current price $148.00The 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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Geissele Automatics Reliability Enhancement Kit | Parts Kit | Includes Reliability Enhanced Bolt Carrier Group | Super 42 Braided Wire Buffer Spring | H1 Buffer Weight | Silver
$444.00Original price $444.00 - Original price $444.00Original price $444.00$444.00$444.00 - $444.00Current price $444.00The 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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Geissele Automatics Reliability Enhancement Kit | Parts Kit | Includes Reliability Enhanced Bolt Carrier Group | Super 42 Braided Wire Buffer Spring | H3 Buffer Weight | Silver
$494.00Original price $494.00 - Original price $494.00Original price $494.00$494.00$494.00 - $494.00Current price $494.00The 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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Geissele Automatics Reliability Enhancement Kit | Parts Kit | Includes R^eliability Enhanced Bolt Carrier Group | Super 42 Braided Wire Buffer Spring | H2 Buffer Weight | Silver
$469.00Original price $469.00 - Original price $469.00Original price $469.00$469.00$469.00 - $469.00Current price $469.00The 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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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
$365.00Original price $365.00 - Original price $365.00Original price $365.00$365.00$365.00 - $365.00Current price $365.00Geissele 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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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
$365.00Original price $365.00 - Original price $365.00Original price $365.00$365.00$365.00 - $365.00Current price $365.00Geissele 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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Geissele Automatics Single-Stage Precision Flat Bow | Black Finish
$250.00Original price $250.00 - Original price $250.00Original price $250.00$250.00$250.00 - $250.00Current price $250.00The 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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Geissele Automatics Single-Stage Precision M4 Curved Bow | Black Finish
$250.00Original price $250.00 - Original price $250.00Original price $250.00$250.00$250.00 - $250.00Current price $250.00The 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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Geissele Automatics Stress Proof Bolt Assembly | Bolt | Fits AR-15 | Black
$255.00Original price $255.00 - Original price $255.00Original price $255.00$255.00$255.00 - $255.00Current price $255.00The 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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Geissele Automatics Super 42 Braided Wire Buffer and Spring Combo | Not Compatible with Rifle Length or A5 Buffer Tubes/Receiver Extensions | Fits AR15
$89.00Original price $89.00 - Original price $89.00Original price $89.00$89.00$89.00 - $89.00Current price $89.00The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique sprin...
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Geissele Automatics Super 42 | Kit | H2 Buffer and Braided Wire Buffer Spring Combo | Fits AR-15
$114.00Original price $114.00 - Original price $114.00Original price $114.00$114.00$114.00 - $114.00Current price $114.00The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique sprin...
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Geissele Automatics Super 42 | Kit | H3 Buffer and Braided Wire Buffer Spring Combo | Fits AR-15
$142.00Original price $142.00 - Original price $142.00Original price $142.00$142.00$142.00 - $142.00Current price $142.00The Geissele Super 42 Buffer Spring/Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. Its unique sprin...
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Geissele Automatics Super Charging Handle SCH | 7.62" | 7075-T6 Aluminum | Ambidextrous | Black Finish | Fits AR 10
$150.00Original price $150.00 - Original price $150.00Original price $150.00$150.00$150.00 - $150.00Current price $150.00The Super Charging Handle (SCH) is 3D machined from a solid block of aircraft grade 7075-T6 aluminum. Its ambidextrous design allows for seamless o...
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Geissele Automatics Super Charging Handle | Black | Fits AR 15
$110.00Original price $110.00 - Original price $110.00Original price $110.00$110.00$110.00 - $110.00Current price $110.00The Super Charging Handle (SCH) is 3D machined from a solid block of aircraft grade 7075-T6 aluminum. Its ambidextrous design allows for seamless o...
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Geissele Automatics Super Charging Handle | Desert Dirt Color | Fits AR 15 | Product Finishes | Shade Variations and Other Imperfections Are Normal Due to the Manufacturing Process
$120.00Original price $120.00 - Original price $120.00Original price $120.00$120.00$120.00 - $120.00Current price $120.00The Super Charging Handle (SCH) is 3D machined from a solid block of aircraft grade 7075-T6 aluminum. Its ambidextrous design allows for seamless o...
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Geissele Automatics Super Configurable Safety Selector | Safety Selector | Ambidextrous | Fits AR-15 | Anodized Finish | Desert Dirt Color
$95.00Original price $95.00 - Original price $95.00Original price $95.00$95.00$95.00 - $95.00Current price $95.00The Geissele Super Configurable Safety is a high quality, ambidextrous replacement for the mil-spec safety in your carbine. The levers are easily s...
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Geissele Automatics Super Configurable Safety Selector | Safety Selector | Ambidextrous | Fits AR-15 | Matte Finish | Black
$85.00Original price $85.00 - Original price $85.00Original price $85.00$85.00$85.00 - $85.00Current price $85.00The Geissele Super Configurable Safety is a high quality, ambidextrous replacement for the mil-spec safety in your carbine. The levers are easily s...
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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
$1,325.00Original price $1,325.00 - Original price $1,325.00Original price $1,325.00$1,325.00$1,325.00 - $1,325.00Current price $1,325.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence....
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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
$1,450.00Original price $1,450.00 - Original price $1,450.00Original price $1,450.00$1,450.00$1,450.00 - $1,450.00Current price $1,450.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence....
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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