9mm PCC Blowback AR15 Bolt Carrier Group - Black Nitride

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There's a ton of bolt carrier groups on the market but very few that meet our exacting standards for performance and value. We saw the current offerings as our starting point and set out to ensure that our Dead Bolt 9mm Bolt Carrier Groups are the best available at the best value for our demanding customers.


Purpose designed and precision machined for 9mm AR15 pistol caliber carbines (PCC), this second generation PCC blow-back carrier by Black Dirt Rifleworks keeps the features of our well-loved first BCG with modern improvements. The Black Dirt Rifleworks™ design team maintained the dual COLT/GLOCK compatible geometry, user-removable carrier weight and full-auto compatibility while adding new and welcome features including an improved "ramped" bottom to expand compatibility with any common trigger; ideal for competitive shooters and plinkers alike. 

For ease of disassembly, a standard firing pin cotter pin is used. To ensure long-life reliability the carrier key has been separated from the charging surface eliminating the chance of "sheared key" failures ensuring that this carrier will stand up to vigorous high-action competition abuse, continuous full-auto action or simple plinking use without fail. An improved, stronger firing pin rounds out the new changes. 

Our improvements include cuts to ensure compatibility with both Glock™ and Colt™ style lower receivers and magazines, insured that our gas key and hardware exceeded existing specs and added full-auto compatibility for use with registered full-auto lowers and the new binary-style trigger systems. 


  • Compatibility: GLOCK™ & COLT™ - Style Lower Receivers & Magazines
  • Carrier: MIL-SPEC 8620 Steel Material, Finish Inside & Outside: Black Nitride
  • Gas Key: 8620 Steel, Finish: Black Nitride
  • Fully Heat Treated
  • M16 (FULL-AUTO) Compatible
  • Dust Cover Compatible
  • Forward Assist Compatible Notches
  • Weight: 15.7 Ounces
  • Removable Carrier Weight - Allows user to shorten the BCG for custom compact builds
  • Made in Trenton Texas by Black Dirt Rifleworks
Manufacturer Black Dirt Rifleworks
Country of Origin United States of America
Platform AR15
Material Billet Tool Steel
Finish Black Nitride
Markings Black Dirt Rifleworks Logo and Caliber
Compatibility 9mm AR15
Weight(s) 15.7 oz
Other N/A


Warranty Information

If you experience any issues with a Black Dirt Rifleworks Bolt Carrier Group, please contact us directly by calling 903-405-1940. The Ground Zero Precision / Black Dirt Rifleworks Service Team may be able to assist you with the issue over the phone or they may recommend that you send the BCG in for repair or replacement. If you are directed to send your BCG to us, please include a brief note explaining why the item is defective and include your name, address, and phone number along with your original Ground Zero Precision order number (Example: GZP#123456). All Warranty requests are given top priority and processed as quickly as possible. Your repaired BCG, or a replacement, will be shipped back to you by USPS Mail or by UPS ground, the choice of which will be at Ground Zero Precision's sole discretion. Return Address: Ground Zero Precision ATTN: BDR Warranty PO Box 3 Trenton, Texas 75490

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