ToolCraft NiB Bolt Carrier Group 5.56 w/ C158 bolt

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Fully assembled and ready to drop in. M16 carrier with a Nickel Boron coating. Bolt is made of Carpenter 158 steel. BCG will work with these calibers: 5.56, 223, and 300BLK. Lifetime ToolCraft Warranty! Made in USA.

  • Bolt Carriers are made from 8620 Aircraft Quality Steel
  • Gas Keys are made from 4130 Steel
  • Bolts are made from 9310 Steel
  • MPI Tested
  • Includes Crane type o-ring
  • All Toolcraft products carry a lifetime, no questions asked, warranty.
  • 100% Manufactured in the USA

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