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TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group (BCG) BCG-NB-ENH Color: Nickel, Finish: Nickel Boron, 41% Off — Free 2 Day Shipping w/ code 2DAYAIR

TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
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TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
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TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
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TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
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TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
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TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH
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TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group, Nickel Boron, BCG-NB-ENH

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Questions & Answers
If I change the BCG , should I also get the firing pin. ?? I’d also like to know if this BCG would be a decent upgrade to my sig tread 400. ??

This BCG includes a new firing pin. And yes, it would be an upgrade.

by TRYBE, Verified Owner, August 29, 2025
Can this bolt carrier group be used with .300 AAC

Yes, it certainly can.

by TRYBE, Verified Owner, August 29, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Expert Review
Great BCG for stainless barrel, love the easy cleaning! by Stevey GB, Gear Expert, June 12, 2023
I have this most notably in a TRYBE upper with a stainless .223 Wylde barrel. It functions perfectly and it has been 100% reliable with every load. I LOVE easy cleaning BCG's and these are excellent. Treatment with a lot of modern 3-in-one cleaners b...
Read More...
7/7 found this helpful
Helpful Positive Review 2 amendment by Tim, Verified Owner, February 7, 2025
Excellent quality, fast service. So far it has run perfectly. Will purchase more.
1/1 found this helpful
Helpful Positive Review Makes a GREAT backup BCG. by wheelz, March 13, 2024
I was looking for a B/U BCG and came upon this TRYBE. After receiving it, and upon inspection, I believe I have found a real jewel of a Bolt Carrier Group for a decent price. If you are looking for one, just do it and you won't be disappointed.
3/3 found this helpful
Helpful Positive Review Super slick and smooth!! by James Williams, Verified Owner, December 15, 2024
I’m about 700 rounds into this BCG, and I’m still very happy with it. Other commenters mentioned problems with staking, but mine was perfect and functions flawlessly. 0 malfunctions, FTF, or FTE so far. It feels very slick, and actually functions as ...
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Helpful Positive Review Bolt carrier by Nate, Verified Owner, January 26, 2025
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Color: Nickel Finish: Nickel Boron Caliber: .223 Remington , .300 AAC Blackout Gun Make: AR Platform Additional Features: Rockwell Harness - 78-80 HRc Condition: New Weight: 11.5 oz

Code: TRB-BCG-JK06E-BCG-NB-ENH

MPN: BCG-NB-ENH

UPC: 810030586166

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List: $279.00Save 32%
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Product Info for TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group (BCG)

TRYBE Defense has your back with the masterfully assembled TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG. This superior bolt carrier is made of high strength AISI 8620 steel, precision-machined on Citizen Swiss CNC machines, and coated with nickel boron to reduce surface-to-surface friction and achieve optimal heat dissipation, allowing it to withstand repeated firing in any condition without threat of recoil. This also means that virtually no lubricant is needed on the Bolt Carrier Group BCG during use, and it will not peel, chip, or flake. Machined to exacting tolerances and undergoing rigorous magnetic particle inspection (MPI) and high-pressure torsion (HPT) processing before arriving to our loyal TRYBE, you can rest assured that this enhanced BCG is ready to go right out of the box. For a consistently smooth and reliable cycle, pick up the TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG today!image

For other quality gear to carry and protect everything you'd need for a day at the range, check out the premium field accessories that your loyal friends at TRYBE Tactical and TRYBE Optics have for you. Start customizing today and get ready to JOIN. THE. TRYBE.

Specifications for TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group (BCG):

Manufacturer: TRYBE Defense
Color: Nickel
Finish: Nickel Boron
Fabric/Material: AISI 8620 Steel
Caliber: .300 AAC Blackout, .223 Remington
Gun Make: AR Platform
Additional Features: Rockwell Harness - 78-80 HRc
Condition: New
Weight: 11.5 oz
Country of Origin: USA

Features of TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG

  • Fully Assembled Mil-Spec Bolt Carrier Group BCG
  • AISI 8620 Steel, Nickel Boron Coated, Heat Treated Shot Peened per Mil-Spec Requirements, High Pressure Torsion (HPT), Magnetic Particle Inspected (MPI), Chrome Interior Lined Bolt Carrier
  • Carpenter 158 Steel, Nickel Boron Coated, Heat Treated Shot Peened per Mil-Spec Requirements, High Pressure Torsion (HPT), Magnetic Particle Inspected (MPI) Bolt
  • E4340 Steel, Nickel Boron Coated, Heat Treated per Mil-Spec Requirements Cam Pin
  • AISI 8620 Steel Gas Key
  • 4140 Steel, Nickel Boron Coated Gas Key Screws
  • Aircraft Quality E4140 Steel, Nickel Boron Coated, Heat Treated Shot Peened per Mil-Spec Requirements Extractor
  • AISI 8740 Steel Hard Chrome Plated Firing Pin
  • Full-Auto Rated

Package Contents:

  • TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group

TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group (BCG) Orderable Models

List of Orderable Models

TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG, Nickel Boron, BCG-NB-ENH , MPN: BCG-NB-ENH , UPC: 810030586166 , Code: TRB-BCG-JK06E-BCG-NB-ENH

TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group (BCG) Unavailable & Discontinued Models

List of Unorderable Models

DEMO, TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG, Nickel Boron, BCG-NB-ENH , MPN: BCG-NB-ENH-DEMO , Code: TRB-BCG-JK06E-BCG-NB-ENH-DEMO
USED TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG, Nickel Boron, BCG-NB-ENH, EDEMO3, Condition Fair, Scratches , MPN: BCG-NB-ENH-EDEMO3 , Code: TRB-BCG-JK06E-BCG-NB-ENH-EDEMO-SC-D
USED TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG, Nickel Boron, BCG-NB-ENH, EDEMO5, Used, Condition Fair , MPN: BCG-NB-ENH-EDEMO5 , Code: TRB-BCG-JK06E-BCG-NB-ENH-EDEMO5
USED TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG, Nickel Boron, BCG-NB-ENH, EDEMO4, Condition Fair, Other , MPN: BCG-NB-ENH-EDEMO4 , Code: TRB-BCG-JK06E-BCG-NB-ENH-EDEMO-OT-D
USED, TRYBE Defense Mil-Spec 5.56 Enhanced Complete Bolt Carrier Group BCG, Nickel Boron, BCG-NB-ENH , MPN: BCG-NB-ENH-EDEMO , Code: TRB-BCG-JK06E-BCG-NB-ENH-EDEMO-DF-C
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