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AB Arms PRO M16 Nickel Boron Bolt Carrier Group

  • AB Arms PRO M16 Nickel Boron Bolt Carrier Group
  • AB Arms Nickel Boron Bolt
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AB Arms PRO M16 Nickel Boron Bolt Carrier Group

Product Code:
ABA-BCG-NIB
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$199.99 $195.00
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MPN: ABABCGNIB

Features:

Bolt

  • Carpenter 158 steel
  • Heat treated per Mil-Spec requirements
  • Shot peened per Mil-Spec requirements
  • MPI tested material
  • Nickel boron coated

Bolt Carrier

  • 8620 steel
  • Nickel boron coated
  • Nickel boron coated Bore
  • M-16 style with more mass for better functioning in semi or full auto rifles

Gas Key

  • 4130 steel
  • Nickel boron coated
  • Gas key screws - 4140 steel properly staked per Mil-Spec requirements

Cam Pin

  • 4340 steel
  • Heat treated per Mil-Spec requirements
  • Nickel boron coated

Extractor

  • Aircraft quality E4140 steel
  • Heat treated per Mil-Spec requirements
  • Shot peened per Mil-Spec requirements
  • Manganese phosphate coated per Mil-Spec requirements

Firing Pin

  • AISI 8740 steel
  • Chrome coated

Profile: Full-Auto

**A full-auto (A.K.A. M16) bolt carrier installed in a standard semi-auto AR-15 will not make the gun fire full-auto.

Details:

Insufficient lubrication on the bolt carrier group (BCG) of the AR15 is a significant cause of malfunctions. Reduce your weapon's susceptibility to this issue by installing the American Build Arms (AB Arms) Nickel Boron Bolt Carrier Group.

The nickel boron coating on the bolt carrier is noticeably slick to the touch; it enables the weapon to cycle flawlessly with much less lubricant. It also forms an impenetrable layer of protection against corrosion. Some lower cost coatings may flake off and wear away with excessive use, but the nickel boron coating is designed to last forever. The bolt and cam pin also receive this coating. The extractor is coated with phosphate to ensure that it grips each casing securely.

All parts of this BCG are machined to the exact Mil-Spec dimensions using AB Arms' advanced techniques and machinery. The bolt and extractor are put through heat treating and shot peening processes to prepare them for your most unrelenting use. Put this BCG in your AR15, and you'll never have to buy another one again!

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