Armory Dynamics 6.8SPCII/.224Valkyrie Bolt Carrier Group
Armory Dynamics 6.8SPCII/.224Valkyrie Bolt Carrier Group

Armory Dynamics 6.8SPCII/.224Valkyrie Bolt Carrier Group

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Your Price: $122.99
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Part Number:AD-UP200325
Bolt Carrier Specifications
  • The Bolt Carrier is “true” Mil Spec dimension and external surfaces are CNC ground after heat treatment for a precision fit.
  • Case Hardened 8620 Steel
  • Finish: Black Nitride. This advanced low friction coating minimizes the need for lubricants.
  • Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked into a milled “valley” to ensure proper positioning.
  • Cam Pin: Hardened 4340 cam pin
  • Firing Pin: Mil Spec firing pin made of 8740 steel, center-less ground and Hard Chrome coated
Bolt Assembly
  • The Bolt is “true” Mil Spec dimension and external surfaces are CNC ground after heat treatment for a precision fit.
  • Material: Case Hardened 9310 Steel. Carpenter 158 is available for an additional charge.
  • Finish: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride
  • Extractor: 4340 Steel , Manganese Phosphate coated o Mil Spec Extractor Spring & O-Ring Combination
  • MPI: Magnetic Particle Inspected
  • HPT: High Pressure Test

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