Toolcraft Nickel Boron BCG 556


SKU BCG-15-223-00-008 Categories ,


This is a 223/5.56/300 Blackout bolt carrier group.

Bolt: Shot Peened; MPI

Bolt Material: 9310 or Carpenter 158 Steel

Bolt Finish: Nickel Boron

Caliber: 223/5.56/300 Blackout

Extractor O-ring: Viton; Mil Spec

Carrier Material: 8620 Steel, Toolcraft Proprietary

Carrier Finish: Nickel Boron

Carrier Design: M16 Full Auto Style

Gas Key Material: 4130 Steel

Cam Pin Material: 4140 Steel

Cam Pin Finish: Nickel Boron

Firing Pin Material: 8740 Steel; Hard Chrome Plated

Manufacturer: Toolcraft

Additional information

Weight 0.75 lbs


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