Toolcraft .308 Black Nitride Bolt Carrier Group - with Logo

Price: $215.00
SALE PRICE: $139.00
  • Item #: TC308-016-GRO
  • Manufacturer: Toolcraft
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Granite Ridge Outfitters has teamed up with Toolcraft to bring you some great quality bolt carrier groups at excellent price points.  Other coating options for these .308 BCG's are also available on separate product pages.  All manufacturing, coating, and laser engraving is done directly by Toolcraft to ensure a premium product with strict quality control.  These BCG's are completely assembled and drop in ready.

Caliber:  .308 / 6.5 Creedmoor

Finish: Black Nitride


CARRIER SPECIFICATIONS:
  • Full Profile Carrier - DPMS Pattern
  • Material: Aircraft Quality 8620 Steel
  • Gas Key: 4130 Steel
  • Grade 8 Gas Key Screws - Properly Staked
  • Forward Assist Serrations
  • Laser Engraved w/ GRO Logo
BOLT SPECIFICATIONS:
  • Bolt Material: 9310
  • Extractor Material: 4140 Steel
  • Mil-Spec O-Ring
  • Mil-Spec Gas Rings (3)
  • Cam Pin Material: 4140 Steel
  • Firing Pin Material: Hard Chrome/Ground 8740
  • Other: MPI Tested, Shot Peened
  • Please Note: Bolt markings may differ from batch to batch
ALL TOOLCRAFT PRODUCTS CARRY A LIFETIME WARRANTY

BLACK NITRIDE:

Black Nitride is a process commonly referred to as SBN (Salt bath nitride) and QPQ (quench polish quench). These are a form of nitrocarburizing or a Thermo Chemical treatment that improves wear resistance and corrosion resistance of ferrous metals with little or no dimensional change which causes the hardening of steel. The chemical bath results in a deep dark black with a harder, more durable finish.

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