raineirarms

Rainier Arms Precision Match Grade AR-10/LR308 .308/7.62 Bolt Carrier Group (BCG) - Nitride

Out of stock

Limited Lifetime Warranty

We are so confident in our Rainier Arms BCG, we offer them with a limited lifetime warranty. If at any time, part of the Rainier Arms BCG breaks during normal use we will replace it for you. Intentional abuse is not covered by this warranty.

$289.95

The Rainier Arms Precision Match .308 BCG in Black 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 tested & Marked to give you ultimate confidence in your weapon system.  Our Bolt now features our improved Firing Pin, optimized for 6mm & 6.5mm calibers High Pressure Cartridges 

Carrier Specifications:

  • Full Auto Carrier
  • SAE 8620
  • Heat Treated
  • Shot Peened
  • Finish is QPQ treated


Bolt:9310 Steel

  • Shot Peened
  • Heat Treated
  • QPQ Treated


Extractor:S7 Tool Steel

  • Precision Machined
  • Shot Peened
  • Heat Treated
  • QPQ Treated


Extractor Retaining Pin:

  • Precision Machined 4140
  • Heat Treated
  • Precision ground to diameter
  • Firing Pin:Colt Full Auto Spec
  • Machined 4140
  • Heat Treated

Weight 1.2 lb

More Information
SKU RA-PM-308-BCG-BLK
Manufacturer Rainier Arms, LLC
Option AR-10

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