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Questions & Answers
Ambi for left hand ejection? Expert Answer

No, this Cryptic 9mm PCC Bolt is designed for right hand ejection. It will not work with a left-handed upper receiver. Unfortunately, we do not currently carry a left-handed AR9 bolt. I would recommend the GIBBZ Arms Ambi 9mm Pistol Caliber BCG, which can be found on the manufacturer's website linked below:
https://gorillaarmsllc.com/product/gibbz-arms-ambi-9mm-pistol-caliber-bcg/

by Ethan, Gear Expert, August 15, 2023
Customer Reviews
Helpful Negative Review
Worst BCG for the AR9 platform by Tony, Verified Owner, December 5, 2024
I bought the BCG for a AR9 build and it been nothing but headache for me. Don’t buy the product!!!!
1/3 found this helpful
Most Recent Reviews
Great for EXO or Endo mag builds by Kenobi, Verified Owner, November 17, 2025
I'm guessing the 1-star reviews are for Glock or Colt mag lowers. I built my AR-9 from a conventional AR upper and lower (Aero M4E1). The Mean Arms mags put the rounds almost directly in-line with the bore, so they chamber much more efficiently than ...
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Most Recent Reviews
cryptic 9mm bcg by t, Verified Owner, August 6, 2025
This bcg I’ve had for about a year now, it’s not worked for about 6 of those months. In my 10.5 build, my 3.5, and my 16 inch 9mm builds this bolt carrier is junk. It short strokes in each one of my builds, you have to pull the charging handle back b...
Read More...
Most Recent Reviews
High Quality/Well Made by DougsAR838, Verified Owner, September 17, 2024
I have already purchased several Cryptic Bolt Carrier groups. They have all been high quality and well made. ALL of them have passed when checking head space. I’ve had no issues so far. I have not yet finished this build but expect this bolt will fun...
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Read All 4 Reviews
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Product Info for Cryptic 9mm PCC Bolt

Cryptic 9mm bolts are designed for use with GLOCK and COLT style magazines as well as drop in mag well adapters. They feature an extra heavy duty, 4140 heat treated, external extractor specifically designed for a 9mm case. Complete with a removable counter weight, it is compatible with any mil-spec buffer and spring assembly (i.e. JP, Armaspec, etc). The aluminum guide key (aka: gas key) is installed with self-locking bolts eliminating the need to stake. Paired with the most advanced coating in the industry this is an unstoppable option for any 9mm build.image

Specifications for Cryptic 9mm PCC Bolt:

Manufacturer: Cryptic
Fabric/Material: 4140 heat treated steel
Caliber: 9mm Luger
Gun Make: Colt, Glock
Gun Model: Universal
Hand: Right
Weight: 13.5 oz

Features of Cryptic 9mm PCC Bolt

  • Compatible with Both GLOCK and COLT Style Magazines
  • 4140 Heat Treated Heavy Duty External Extractor
  • 416 Heat-Treated Stainless-Steel Bolt
  • Stainless Steel Firing Pin w/ Spring
  • Removable Weight
  • Dust Cover Compatible
  • Compatible with Most Aftermarket Triggers
  • Total Weight 13.5 oz.

Package Contents:

  • Cryptic 9mm PCC Bolt

Cryptic 9mm PCC Bolt Orderable Models

List of Orderable Models

  • Cryptic 9mm PCC Bolt, Mystic Silver, CC-1103 , MPN: CC-1103 , Code: 4ZT-BCG-CR24-CC-1103
  • Cryptic 9mm PCC Bolt, Mystic Midnight, CC-1109 , MPN: CC-1109 , Code: 4ZT-BCG-CR24-CC-1109
  • Cryptic 9mm PCC Bolt, Dragon's Breath, CC-1110 , MPN: CC-1110 , Code: 4ZT-BCG-CR24-CC-1110
  • Cryptic 9mm PCC Bolt, Mystic Black, CC-1100 , MPN: CC-1100 , Code: 4ZT-BCG-CR24-CC-1100
  • Cryptic 9mm PCC Bolt, Mystic Bronze, CC-1102 , MPN: CC-1102 , Code: 4ZT-BCG-CR24-CC-1102
  • Cryptic 9mm PCC Bolt, Mystic Gold, CC-1101 , MPN: CC-1101 , Code: 4ZT-BCG-CR24-CC-1101
  • Cryptic 9mm PCC Bolt, Black Nitride, CC-1106 , MPN: CC-1106 , Code: 4ZT-BCG-CR24-CC-1106
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