AR15 Parts and Accessories by M&A Parts

Nickel Boron Bolt Carrier Group

Shop » Parts » Upper Receiver » Nickel Boron Bolt Carrier Group
  • Nickel Boron Bolt Carrier Group
  • Nickel Boron Bolt Carrier Group
  • Nickel Boron Bolt Carrier Group

Product Details

Complete Nickel Boron Bolt Carrier Group •Nickel Boron coating •Machined to mil-spec standards •Heat treated •Made in the USA

Bolt Carrier Group

Do you need a mil spec nickel boron bolt carrier group? Then only buy from the best. M&A Parts offers high-quality bolt carrier group products that are made exclusively in the United States.•M16 Carrier Machined from 8620 •5.56 Bolt Machined from Carpenter 158 •Forged Gas Key Properly Staked •Tool Steel Extractor •Mil-Spec Extractor Spring with black insert •Grade 8 hardware •Shot Peened Bolt •HPT/MPI •Carrier, Gas Key, Cam Pin, Bolt, & Extractor coated inside and out with EXO NiB •Test Fired complete before shipping to ensure proper function .


Our Product


Our nickel boron bolt carrier group is:

  • Heat-treated
  • CNC and Swiss–machined
  • Nickel born–plated to perform better and last longer
  • Chrome-lined
  • Torqued and staked to carrier military specifications

We’re confident that our product will meet your standards of excellence and perform perfectly. If you have further questions about how we make our mil spec nickel boron bolt carrier group, reach out to us, and we’ll be happy to provide further details.


Our Customer Service


If you’re ready to choose the best in bolt carrier groups, buy online. We make it convenient: just check out using the tools on the right-hand side of this page.

If you need more information first, get in touch with M&A Parts by giving us a call at 847.550.8246. You can also reach us by email at or through our online contact form. In the meantime, find answers to our most commonly asked questions on our help page.

M&A Price: $185.00

Usually Ships 2-3 Days
Item #