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Rainier Arms Precision Match Grade Nickel Boron AR15 Bolt Assembly

Out of stock

Rainier Arms Nickel Boron AR15 Bolt

$89.95

Nickel Boron exterior gives this bolt an incredibly hard finish that protects against wear and corrosion for the ultimate in durability. The extreme smoothness and built-in lubricity of the coating also reduces friction and gives carbon deposits nowhere to stick, so bolt can be easily wiped clean with a cloth or nylon brush.

Bolt:

  • 5.56/.223
  • Carpenter 158 Steel
  • Shot Peened
  • HPT/MPI
  • Heat Treated
  • Nickel Boron Plated

Extractor:

  • Machined from bar
  • Shot Peened
  • Heat Treated
  • Maganese Phosphate

Extractor Spring:

  • Chrome Silicone for Longer Life
  • Black Insert as per current Mil-Spec
  • "O" Ring is high temp resistant dark brown

Extractor Retaining Pin:

  • Precision Machined
  • Precision ground to diameter
  • Precision ground to length
  • Heat Treated

 

Weight: 1.5oz

More Information
SKU RA-NIB BOLT
Manufacturer Rainier Arms, LLC
Finish Nickel Boron