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AR15 556 BCG - Ion Bond bolt carrier group

AR15 556 BCG - Ion Bond bolt carrier group

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List Price: $146.00
Our Price: $99.99
Savings: $46.01

Quantity in Stock:(Out of Stock)
Product Code: 1353886236758

Description Technical Specs

AR15 556 BCG Ion Bond Finish, MIL-SPEC Carrier, Bolt and Key is the Best in Industry!

R&B ARMS AR15 5.56 Nickel Boron Bolt Carrier Group is a great choice for any AR-15 build. This drop-in AR-15 BCG features a slick, corrosion resistant Ion Bond finish, MIL-SPEC dimensions, and C158 steel bolt. The carrier is made from 8620 steel, While the Key is made from 4130 and is properly staked. Ion Bond offers Increased lubricity Over Nickel Boron, Wear Resistant, Smoother recoil, Improved Consistency, Faster Cyclic Rate, Easier Cleaning, and Reduced Carbon Fouling. Proudly made in the U.S.A. veteran owned and operated business

IonBond is a Diamond Like Coating. This metal finish applied through Physical Vapor Deposition Process. It is tough corrosion proof coating, with excellent friction properties. Ionbond will not chip, crack or peel, providing you with years of protection against wear while maintaining its integrity.

Our dedication to our customers is the same as our dedication to our country!

We will ensure satisfaction with every AR15 556 BGC and make sure its the right fit for your rifle.


  • Coefficient of Friction - 0.01
  • Hardness - 3000 Vickers
  • Max. Temperature - 1,100° F
  • Coating Thickness - 2-3 microns
  • Increased lubricity over Nickel Boron
  • Wear Resistant
  • Smoother recoil
  • Improved Consistency
  • Faster Cyclic Rate
  • Easier Cleaning
  • Reduced Carbon Fouling

*Picture may reflect a different caliber


Domestic aircraft quality 8620 steel.
Gas Key: 4130 steel, Grade 8 gas key screws (properly staked)
Bolt:158 Carpenter steel
Extractor:4140 steel
Mil-Spec O-ring
Mil-Spec Gas Rings (3)
Cam Pin: 4140 steel
Firing Pin: Hard Chrome, Ground 8740
MPI Tested

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