Rainier Arms AR-15 Precision Match Grade BCG - Nitride

In stock
Rainier Arms AR-15 Precision Match Grade BCG - Nitride
$169.95

The Rainier Arms Precision Match Grade Phosphate BCG - 5.56 Nitride is machined and finished to a higher standard to meet and exceed all Mil Spec. It is machined using the most precise equipment in the industry. The bolts are MPI/HP tested & Marked to give you ultimate confidence in your weapon system.

Carrier:

  • Full Auto Carrier
  • SAE 8620
  • Heat Treated
  • Nitride

Bolt:

  • 5.56/.223
  • Carpenter 158 Steel
  • Shot Peened
  • Heat Treated
  • Nitride

Extractor:

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

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

Firing Pin:

  • Machined and then precision ground for accuracy
  • Heat Treated

Gas Key Bolt:

  • Precision manufactured in house with extra deep knurling
  • Grade 8
  • 1200 degree locking patch is factory applied to threads to help insure long lasting tightness

Gas key:

  • Hard Chrome lined gas tube as per Mil-Spec
  • Bolts installed to proper torque
  • Staking on both sides of both bolts
  • Nitride

Cam Pin:

  • Precision machined
  • Heat Treated
  • Nitride

Firing Pin Retaining Pin:

  • Precision bent
  • Precision cut to length
  • Heat Treated

Gas Rings:

  • Stainless Steel per Mil-Spec

Ejector:

  • Precision machined
  • Heat Treated

Ejector Spring:

  • Chrome Silicone
  • Precision ground ends

Ejector Retaining Pin:

  • Precision cut to length
  • Hard Chrome Plated

 

Limited Lifetime Warranty
We are so confident in our Rainier Arms BCG we offer them with a limited lifetime warranty. So if at anytime your Rainier Arms BCG breaks on your during normal use(Intentional abuse & Gas Key wear not included) we will replace it.

More Information
SKU RA-PMG-BCG-NITRIDE
Manufacturer Rainier Arms, LLC
Finish Nitride
Barrel Length No
Caliber .223 / 5.56
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