Black Rifle Depot

Black Nitride AR 15 Bolt Carrier Group

(27 reviews) Write a Review
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Maximum Purchase:
2 units
Calculated at Checkout
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MSRP: $119.95
Now: $89.95
Was: $109.95
— You save $30.00


Black Nitride AR 15 Bolt Carrier Group (BCG)

The Black Nitride AR 15 Bolt Carrier Group (BCG) is a high-performance and reliable component for your AR 15 build. The Black Nitride treatment provides a durable and long-lasting finish that is resistant to wear and tear, while the MPI testing ensures that the BCG meets strict quality standards. The carrier is made from 8620 steel, and the head is made from 9301 steel, making it strong and durable. The Black Nitride treatment adds an extra level of corrosion resistance, ensuring reliable ignition of your rounds. The BCG features a full-auto carrier and is fully machined, with no MIM parts, making it a top choice for demanding shooters. Whether you are looking for a BCG for your next build or want to upgrade your current setup, the Black Nitride AR 15 Bolt Carrier Group with Black Nitride Firing Pin is an excellent choice.


  • 5.56 NATO/.223 REM/.300 BO
  • MPI Tested 
  • 8620 Steel carrier
  • 9301 Steel Head
  • Stainless Firing Pin
  • Full Auto Carrier
  • Fully machined Gas Key And Extractor (No MIM Parts)

Benefits Of Using A Black Nitride AR 15 Bolt Carrier Group:

The Black Nitride AR 15 Bolt Carrier Group (BCG) is a popular upgrade for gun enthusiasts who want to improve the performance and durability of their AR 15 rifle. One of the main benefits of using a Black Nitride BCG is its enhanced resistance to wear and corrosion, thanks to the nitriding process that hardens the steel and creates a smooth, self-lubricating surface. The BCG will require less maintenance and cleaning over time and will be less prone to malfunctions and failure. Additionally, the Black Nitride coating provides a sleek, black finish that is aesthetically pleasing and adds to the overall appearance of the rifle. Overall, the Black Nitride AR 15 BCG is a reliable and functional upgrade that can enhance the performance and longevity of your rifle.

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Warranty Information

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27 Reviews

  • 4
    Bolt and firing pin

    Posted by Joe Finn on Apr 6th 2023

    Picked this up for a back up, the price was to good to pass on.

  • 5
    Reliable carrier group swap out.

    Posted by The Kraken on Nov 28th 2022

    Needed a reliable carrier group to swap out in the event of carbon build up malfunction. Produced flawless cycle rate for 500 + rounds.

  • 5
    Great product

    Posted by Donald on May 8th 2022

    Awesome product and quick delivery

  • 5

    Posted by John fox on Oct 29th 2021


  • 5
    Quality product

    Posted by James Haschert on Oct 13th 2021

    Quality product.Fast shipping. I’ll definitely order again

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