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Taking the AR15 parts and accessories to new heightsTM
Rainier Arms, LLC

Rainier Arms Precision Match Grade Nickel Boron AR15 Bolt

Rainier Arms Precision Match Grade Nickel Boron AR15 Bolt

Availability: In stock

$89.95

Details

Details

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

Additional Info

Additional Info

SKU RA-NIB BOLT-
Manufacturer Rainier Arms, LLC
Finish No
Barrel Length No
Caliber No
Configuration No
Option No
MOA No
Gas Length No
Height No
Rail Length No
Mount No
Profile No
Reticle No
Co Witness No
Size No

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