Ar15 6.5 Grendel Type 2 Black Nitride BcgOdin Works 6. 5 Grendel Black Nitride Type 2 Bolt Carrier Group Features: Type 2 6. 5 Grendel bolt face True Mil Spec Bolt Carrier Group Mil Spec Extractor Spring & O Ring Combination Specifications: Material: Case Hardened 8620 Steel 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
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Odin Works 6.5 Grendel Black Nitride Type 2 Bolt Carrier Group
Features:
- Type 2 6.5 Grendel bolt face - True Mil-Spec Bolt Carrier Group - Mil Spec Extractor Spring & O-Ring Combination
Specifications:
- Material: Case Hardened 8620 Steel - 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 treat for a precision fit - Bolt Material: Case Hardened 9310 Steel - Extractor: 4340 Steel , Manganese Phosphate coated - MPI: Magnetic Particle Inspected - HPT: High Pressure Test - Finish: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride - Finish: Black Nitride. This advanced low friction coating minimizes the need for lubricants