/home/jcmarmory/jcm-backups/jcm-product-normalizer.php.20261022-143123 Fail Zero Archives - JCM Armory https://jcmarmory.com/brand/fail-zero/ Your Go To Resource For Guns, Parts, Amma and Accessories Wed, 21 Oct 2026 21:45:33 +0000 en-US hourly 1 https://wordpress.org/?v=7.1.3 https://jcmarmory.com/wp-content/uploads/2026/06/cropped-jcm-fav-32x32.png Fail Zero Archives - JCM Armory https://jcmarmory.com/brand/fail-zero/ 32 32 Fail Zero Assembled Bolt Carrier Group 6mm ARC https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-assembled-bolt-carrier-group-6mm-arc/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-assembled-bolt-carrier-group-6mm-arc/#respond Thu, 08 Oct 2026 22:17:28 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-assembled-bolt-carrier-group-6mm-arc/ Fail Zero Assembled Bolt Carrier Group 6mm ARC

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This 6mm ARC Grendel Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6mm ARC. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity extreme durability and increases both wear and corrosion resistance. EXO Nickel Boron makes for easy cleanup and will improve the performance of your rifle.

Nickel Boron treated parts include:

  • 6mm ARC Bolt & Extractor
  • M16 Cut Bolt Carrier
  • Cam Pin
  • Carrier Key
  • Firing Pin

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FAIL ZERO FULL AUTO BCG – LIGHTWEIGHT 5.56MM AR-15 https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-full-auto-bcg-lightweight-5-56mm-ar-15/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-full-auto-bcg-lightweight-5-56mm-ar-15/#respond Wed, 24 Jun 2026 19:45:54 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-full-auto-bcg-lightweight-5-56mm-ar-15/ FAIL ZERO FULL AUTO BCG - LIGHTWEIGHT 5.56MM AR-15

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FAIL ZERO BOLT CARRIER GROUP – 5.56MM FULL AUTO AR-15 https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-7/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-7/#respond Tue, 23 Jun 2026 17:08:28 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group-7/ FAIL ZERO BOLT CARRIER GROUP - 5.56MM FULL AUTO AR-15

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FEATURES
-Bolt & Extractor (5.56/.223 compatible)
-Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin

PRODUCT SPECIFICATIONS:

Dimension     1.75 X 3.80 X 10.65
Height     1.7500
Width     3.8000
Length     10.6500
TYPE/COLOR     AR15 COMPLETE BOLT CARRIER
SIZE/FINISH     5.56MM/CLASSIC FINISH
MATERIAL     STEEL
AR-15 ACCESSORY     Y
OTHER FEATURES:     FULL AUTO BCG,
     EXO NICKEL BORON TREATED,
     DROP IN INSTALL FOR MOST
     MIL-SPEC M16/M4/AR15 UPPERS
NO DIRECT SHIP TO CALIFORNIA

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FAIL ZERO BOLT CARRIER GROUP – .308 WIN. (DPMS PATTERN) AR-10 https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar10-parts/ar10-bolts/fail-zero-bolt-carrier-group-8/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar10-parts/ar10-bolts/fail-zero-bolt-carrier-group-8/#respond Mon, 22 Jun 2026 19:25:23 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group-8/ FAIL ZERO BOLT CARRIER GROUP - .308 WIN. (DPMS PATTERN) AR-10

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FEATURES
-Bolt & Extractor (.308 compatible)
-Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin

PRODUCT SPECIFICATIONS:

Dimension     1.55 X 4.00 X 13.05
Height     1.5500
Width     4.0000
Length     13.0500
TYPE/COLOR     AR10 COMPLETE BOLT CARRIER
SIZE/FINISH     .308 WIN/CLASSIC FINISH
MATERIAL     STEEL
OTHER FEATURES:     DPMS PATTERN/6.5CM COMPATIBLE,
     EXO NICKEL BORON TREATED,
     DROP IN INSTALL FOR MOST
     MIL-SPEC AR10 UPPERS
NO DIRECT SHIP TO CALIFORNIA

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FAIL ZERO BOLT CARRIER GROUP – 6MM ARC https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-6mm-arc/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-6mm-arc/#respond Tue, 09 Jun 2026 13:05:32 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group-6mm-arc/ FAIL ZERO BOLT CARRIER GROUP - 6MM ARC

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PRODUCT SPECIFICATIONS:

Dimension     1.70 X 3.90 X 11.00
Height     1.7000
Width     3.9000
Length     11.0000
TYPE/COLOR     6MM ARC COMPLETE BOLT CARRIER
SIZE/FINISH     6MM ARC/CLASSIC FINISH
MATERIAL     STEEL
OTHER FEATURES:     DROP IN INSTALL FOR MOST
     EXO NICKEL BORON TREATED,
NO DIRECT SHIP TO CALIFORNIA

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FAIL ZERO BOLT CARRIER GROUP – 5.56MM SEMI-AUTO AR-15 BLACK https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group/#respond Tue, 09 Jun 2026 13:05:26 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group/ FAIL ZERO BOLT CARRIER GROUP - 5.56MM SEMI-AUTO AR-15 BLACK

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FEATURES
-Bolt & Extractor (5.56/.223 compatible)
-Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin
-Black

PRODUCT SPECIFICATIONS:

Dimension     1.65 X 3.80 X 10.80
Height     1.6500
Width     3.8000
Length     10.8000
TYPE/COLOR     AR15 COMPLETE BOLT CARRIER
SIZE/FINISH     5.56MM/BLACK
MATERIAL     STEEL
AR-15 ACCESSORY     Y
OTHER FEATURES:     SEMI-AUTO BCG,
     EXO NICKEL BORON TREATED WITH
     BLACK TOPCOAT/EXTERIOR,
     DROP IN INSTALL FOR MOST
     MIL-SPEC AR15 UPPERS
NO DIRECT SHIP TO CALIFORNIA

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FAIL ZERO BOLT CARRIER GROUP – .450 BUSHMASTER AR-15 https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-4/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-4/#respond Tue, 09 Jun 2026 13:05:26 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group-4/ FAIL ZERO BOLT CARRIER GROUP - .450 BUSHMASTER AR-15

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FEATURES
-Bolt & Extractor (.458 SOCOM & .450 Bushmaster compatible)
-Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin

PRODUCT SPECIFICATIONS:

Dimension     1.70 X 3.80 X 10.65
Height     1.7000
Width     3.8000
Length     10.6500
TYPE/COLOR     AR15 COMPLETE BOLT CARRIER
SIZE/FINISH     .450 BUSHMASTER/CLASSIC FINISH
MATERIAL     STEEL
OTHER FEATURES:     EXO NICKEL BORON TREATED,
     DROP IN INSTALL FOR MOST
     MIL-SPEC .450 BUSHMASTER
     UPPERS
NO DIRECT SHIP TO CALIFORNIA

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FAIL ZERO BOLT CARRIER GROUP – 6.8SPC AR-15 https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-5/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-5/#respond Mon, 04 May 2026 14:10:09 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group-6-8spc-ar-15/ FAIL ZERO BOLT CARRIER GROUP - 6.8SPC AR-15

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FEATURES
-Bolt & Extractor (6.8 SPC compatible)
-M16 Cut Bolt Carrier
-Cam Pin
-Carrier Key
-Firing Pin

PRODUCT SPECIFICATIONS:

Dimension     1.55 X 3.80 X 10.50
Height     1.5500
Width     3.8000
Length     10.5000
TYPE/COLOR     AR15 COMPLETE BOLT CARRIER
SIZE/FINISH     6.8SPC/CLASSIC FINISH
MATERIAL     STEEL
OTHER FEATURES:     EXO NICKEL BORON TREATED,
     DROP IN INSTALL FOR MOST
     MIL-SPEC 6.8SPC UPPERS
NO DIRECT SHIP TO CALIFORNIA

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FAIL ZERO BOLT CARRIER GROUP – 5.56MM BLACK NITRIDE AR-15 https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-5-56mm-black-nitride-ar-15/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-5-56mm-black-nitride-ar-15/#respond Fri, 01 May 2026 20:05:50 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group-5-56mm-black-nitride-ar-15/ FAIL ZERO BOLT CARRIER GROUP - 5.56MM BLACK NITRIDE AR-15

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PRODUCT SPECIFICATIONS:

Dimension     1.75 X 3.80 X 10.95
Height     1.7500
Width     3.8000
Length     10.9500
TYPE/COLOR     AR15 COMPLETE BOLT CARRIER
SIZE/FINISH     5.56MM/BLACK NITRIDE FINISH
MATERIAL     STEEL
AR-15 ACCESSORY     Y
OTHER FEATURES:     DROP IN INSTALL FOR MOST
     MIL-SPEC M16/M4/AR15 UPPERS
     NO HAMMER
NO DIRECT SHIP TO CALIFORNIA

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FAIL ZERO BOLT CARRIER GROUP – 5.56MM SEMI-AUTO AR-15 https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-10/ https://jcmarmory.com/shop/firearm-parts-and-attachments/gun-parts/ar-builds/ar-upper-parts/fail-zero-bolt-carrier-group-10/#respond Fri, 01 May 2026 13:06:23 +0000 https://jcmarmory.com/shop/uncategorized/fail-zero-bolt-carrier-group-5-56mm-semi-auto-ar-15/ FAIL ZERO BOLT CARRIER GROUP - 5.56MM SEMI-AUTO AR-15

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FEATURES
-Bolt & Extractor (5.56/.223 compatible)
-Bolt Carrier
-Extractor
-Cam Pin
-Carrier Key
-Firing Pin

PRODUCT SPECIFICATIONS:

Dimension     1.65 X 3.80 X 10.30
Height     1.6500
Width     3.8000
Length     10.3000
TYPE/COLOR     AR15 COMPLETE BOLT CARRIER
SIZE/FINISH     5.56MM/CLASSIC FINISH
MATERIAL     STEEL
AR-15 ACCESSORY     Y
OTHER FEATURES:     SEMI-AUTO BCG,
     EXO NICKEL BORON TREATED,
     DROP IN INSTALL FOR MOST
     MIL-SPEC AR15 UPPERS
NO DIRECT SHIP TO CALIFORNIA

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