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Questions & Answers
is this for AR15 or AR10 Expert Answer

Use the "Gun Model" drop-down menu to choose between AR15 or AR10 options as both are available.

by Ethan, Gear Expert, October 17, 2024
Customer Reviews
Helpful Positive Review
Cryptic shoots! by J DOG, Verified Owner, June 13, 2025
Cryptic always has great finishes, the screw staking was perfect. 10/10 will buy cryptic again, only bad thing was that it wasnt all loosey goosey… guess i’ll have to actually shoot with this thing!
1/1 found this helpful
Helpful Positive Review
Cryptic AR15 BCG by johnchip, Verified Owner, October 16, 2024
Fist off, make sure you read the description and look at the pictures as this is just a carrier and doesn't come with a bolt. That said, it is fantastic carrier and is well made. I already had a Cryptic bolt in Black Nitride so I decided to make a co...
Read More...
3/3 found this helpful
Helpful Positive Review
Cryptic Steel Bolt Carrier by STEVE, Verified Owner, March 6, 2024
Great bolt carrier at a screamin deal price. The coating on Cryptic's products not only looks good but stays on and is still looking good even after running aroung 400 rnds through it.
1/1 found this helpful
Most Recent Reviews
Dropped right in by Jeff, Verified Owner, November 2, 2026
Had an old Brady bill era colt match H barrel. Swapped out all the internals with the colt bolt carrier and ran full auto flawlessly.
Most Recent Reviews
Great Carrier by Always right, Verified Owner, October 29, 2026
Super clean carrier. Exactly what you expect from Cryptic. Nitride is nice and slick. Paired with a JP 6.5g bolt. Runs like butter.
Most Recent Reviews
Not the entire bcg, just bolt carrier by Alec Hahn, Verified Owner, March 30, 2024
Didn’t realize this is just the bolt carrier and not the whole bcg.
0/10 found this helpful
Read All 14 Reviews
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Product Info for Cryptic Steel Bolt Carrier

Coated bolt carrier group (full auto version) for AR10 (.308 WIN / 7.62x51mm / 6.5 Creedmoor) machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the proper chrome lined and heat treated gas key. Gas key is secured to carrier with Grade 8 fasteners and properly staked per Mil-Specs. This ensures a strong staking and proper gas system functioning.image

Specifications for Cryptic Steel Bolt Carrier:

Manufacturer: Cryptic
Fabric/Material: Steel
Gun Make: AR Platform
Condition: New

Features of Cryptic Steel Bolt Carrier

  • Compatible w/ any DPMS LR308 platforms
  • Mil-Spec Bolt Carrier Machined from 8620 Aircraft Quality Steel and heat treated to 60-61 RC
  • Mil-Spec Chrome Lined Carrier Interior
  • Mil-Spec Chrome Lined Gas Key
  • Key Staked with Grade 8 Screws, per Mil-Spec
  • Full Auto Carrier (Backward compatible with all semi-auto rifles)

Package Contents:

  • Cryptic Steel Bolt Carrier

Cryptic Steel Bolt Carrier Orderable Models

List of Orderable Models

  • Cryptic AR10 Steel Bolt Carrier, Manganese Phosphate, CC-BCK-0204 , MPN: CC-BCK-0204 , Code: 4ZT-ABA-CR26-CC-BCK-0204
  • Cryptic AR10 Steel Bolt Carrier, Black Nitride, CC-BCK-0206 , MPN: CC-BCK-0206 , Code: 4ZT-ABA-CR26-CC-BCK-0206
  • Cryptic AR15 Steel Bolt Carrier, Mystic Gold, CC-BCK-0101 , MPN: CC-BCK-0101 , Code: 4ZT-ABA-CR26-CC-BCK-0101
  • Cryptic AR15 Steel Bolt Carrier, Mystic Silver, CC-BCK-0103 , MPN: CC-BCK-0103 , Code: 4ZT-ABA-CR26-CC-BCK-0103
  • Cryptic AR15 Steel Bolt Carrier, Black Nitride, CC-BCK-0106 , MPN: CC-BCK-0106 , Code: 4ZT-ABA-CR26-CC-BCK-0106
  • Cryptic AR15 Steel Bolt Carrier, Nickel Boron, CC-BCK-0105 , MPN: CC-BCK-0105 , Code: 4ZT-ABA-CR26-CC-BCK-0105
  • Cryptic AR10 Steel Bolt Carrier, Nickel Boron, CC-BCK-0205 , MPN: CC-BCK-0205 , Code: 4ZT-ABA-CR26-CC-BCK-0205
  • Cryptic AR15 Steel Bolt Carrier, Mystic Midnight, CC-BCK-0109 , MPN: CC-BCK-0109 , Code: 4ZT-ABA-CR26-CC-BCK-0109
  • Cryptic AR15 Steel Bolt Carrier, Mystic Black, CC-BCK-0100 , MPN: CC-BCK-0100 , Code: 4ZT-ABA-CR26-CC-BCK-0100
  • Cryptic AR10 Steel Bolt Carrier, Mystic Black, CC-BCK-0200 , MPN: CC-BCK-0200 , Code: 4ZT-ABA-CR26-CC-BCK-0200
  • Cryptic AR15 Steel Bolt Carrier, Mystic Bronze, CC-BCK-0102 , MPN: CC-BCK-0102 , Code: 4ZT-ABA-CR26-CC-BCK-0102
  • Cryptic AR15 Steel Bolt Carrier, Manganese Phosphate, CC-BCK-0104 , MPN: CC-BCK-0104 , Code: 4ZT-ABA-CR26-CC-BCK-0104
  • Cryptic AR10 Steel Bolt Carrier, Mystic Bronze, CC-BCK-0202 , MPN: CC-BCK-0202 , Code: 4ZT-ABA-CR26-CC-BCK-0202
  • Cryptic AR10 Steel Bolt Carrier, Mystic Silver, CC-BCK-0203 , MPN: CC-BCK-0203 , Code: 4ZT-ABA-CR26-CC-BCK-0203
  • Cryptic AR10 Steel Bolt Carrier, Mystic Gold, CC-BCK-0201 , MPN: CC-BCK-0201 , Code: 4ZT-ABA-CR26-CC-BCK-0201

Cryptic Steel Bolt Carrier Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Cryptic AR15 Steel Bolt Carrier, Black Nitride, CC-BCK-0106 , MPN: CC-BCK-0106-EDEMO , Code: 4ZT-ABA-CR26-CC-BCK-0106-EDEMO-IN-C
  • USED, Cryptic AR15 Steel Bolt Carrier, Black Nitride, CC-BCK-0106 , MPN: CC-BCK-0106-EDEMO , Code: 4ZT-ABA-CR26-CC-BCK-0106-EDEMO-RE-C
  • USED, Cryptic AR15 Steel Bolt Carrier, Manganese Phosphate, CC-BCK-0104 , MPN: CC-BCK-0104-EDEMO , Code: 4ZT-ABA-CR26-CC-BCK-0104-EDEMO-US-D
  • USED, Cryptic AR15 Steel Bolt Carrier, Black Nitride, CC-BCK-0106 , MPN: CC-BCK-0106-EDEMO , Code: 4ZT-ABA-CR26-CC-BCK-0106-EDEMO-RE-B
  • USED, Cryptic AR15 Steel Bolt Carrier, Manganese Phosphate, CC-BCK-0104 , MPN: CC-BCK-0104-EDEMO , Code: 4ZT-ABA-CR26-CC-BCK-0104-EDEMO-US-U
  • USED, Cryptic AR15 Steel Bolt Carrier, Manganese Phosphate, CC-BCK-0104 , MPN: CC-BCK-0104-EDEMO , Code: 4ZT-ABA-CR26-CC-BCK-0104-EDEMO-IN-B
  • USED, Cryptic AR10 Steel Bolt Carrier, Black Nitride, CC-BCK-0206 , MPN: CC-BCK-0206-EDEMO , Code: 4ZT-ABA-CR26-CC-BCK-0206-EDEMO-OB-A
  • DEMO, Cryptic AR10 Steel Bolt Carrier, Mystic Bronze, CC-BCK-0202 , MPN: CC-BCK-0202-DEMO , Code: 4ZT-ABA-CR26-CC-BCK-0202-DEMO
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Last updated 2026-11-13 UTC.