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Toolcraft BCG Black Nitride AR15 / M16 Auto Bolt Carrier Group 9310 MPI Tested

100% Made in USA and includes Lifetime Warranty from Toolcraft. If ever a problem, simply call Toolcraft and they will take excellent care of you with their no questions asked Lifetime Warranty.


Bolt Assembly:
​Bolt: AISI 9310 alloy steel
MPI Inspected
Extractor: Shot Peened Hardened D2 tool steel 
O-Ring: Mil-Spec 
Gas rings (3): Mil-Spec 
Finish: Black Nitride

Bolt Carrier:
8620 steel
Heavy Duty M16 design
Grade 8 Gas Key Screws, Staked
Gas Key Material: 4140
Finish: Black Nitride

Cam Pin:
8620 steel
Finish: Black Nitride

Firing Pin:
mil-spec firing pin made from centerless ground 8740 steel, hard chrome coated

Received my two Toolcraft BCGs within a couple days of ordering. These are slick, well made bolt carrier groups. Better than the PSA premiums by far.

10/06/2017

Toolcraft makes excellent quality BCGs. I bought two and they work flawlessly. Fast shipping also.

10/05/2017

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Toolcraft BCG AR15 Bolt Carrier Group Black Nitride

  • Brand: Toolcraft
  • Product Code: TOOLCRAFTBCGAR15BN
  • Availability: In Stock
  • $97.95
  • $69.95
  • Free Shipping

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