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6.5 Grendel Black Nitride BCG | Match Bolt Carrier Group


Vendor: CTS

  • $7366
  • Save $192

We are proud to announce the release of our QPQ Black Nitride AR/M16 6.5 Grendel Bolt Carrier Groups. our BCG Features Match Grade Melonite Treated BCG and is machined and finished to a higher standard to meet and exceed all Mil Spec. It is machined using the most precise equipment in the industry. The bolt is MPI/HP tested & Marked to give you ultimate confidence in your weapon system. MPI (Magnetic Particle Inspected) Bolt, HP (High Pressure Tested). CTS Nitrided Bolt Carrier Group. Nitrided parts are extremely hard, lubricious and long lasting giving you a dark finish bolt carrier group for your black rifle. Comes with Chrome firing pin, cam pin, retaining pin, hpt tested and is  .136 Bolt Face Depth for true Grendel Spec.


Features and Specs


  • Material: 8620 Steel
  • Type: M16 Full Auto Profile
  • Gas Key Material: 4130 Steel; Grade 8 Gas Key Screws
  • Military Specification Gas Key Staking
  • Gas Key Hardened to USGI Specifications
  • Coating: QPQ Black Nitride Treated 
  • Enhanced Firing Pin Included


  • Caliber: 6.5 Grendel Type 2
  • Bolt Material: 9310 Steel
  • Extractor Material: 4140 Steel
  • O-Ring: Mil-Spec (3)
  • Cam Pin Material: 8620 Steel
  • Firing Pin Material: 416 Stainless Steel Chrome Lined
  • Other: MPI Inspected | Shot Peened
  • QPQ Black Nitride Treated 
  • MPI Bolt with inside and out Black Nitride Treatment
  • Bolt Face Depth is true Grendel Spec .136 (Type 2)
  • Billet Machined Hardened Extractor with Black o-ring Insert
Total Weight 9.2 oz

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