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Noveske Enhanced Bolt Carrier Group 6mm ARC DLC


Bolt carrier group (full auto version) DLC exterior coated to Noveske specification with chrome lined bore. Machined to USGI specifications. Carrier is made out of Aircraft grade, domestically sourced proprietary 8620 steel.  This M16/M4 carrier includes the proper Mil-Spec gas key. Gas key is chrome lined and heat treated per GI specifications. Gas key is secured to carrier via USGI domestically manufactured Grade 8 fasteners and properly staked per Mil-Spec.

Noveske’s Enhanced 6mm ARC bolt info:

  • Constructed from high-quality SAE 9310 steel sourced domestically, including complete traceability through Mill MTR’s and heat treat certification.   Materials and heat treat are meticulously controlled and verified.  9310 is a superior material to carpenter 158 for this use.
  • DLC coated for exceptional surface hardness and lubrication, all while preserving a flexible core
  • Compatible with a full range of Mil-spec sub-components for seamless integration
  • Incorporates an enlarged cam pin hole web to address and eliminate the most prevalent causes of bolt breakages
  • Features improved lug geometry, resulting in diminished wear and a smoother locking/unlocking mechanism
  • Tightly controlled ejector hole and ejector dimensions to minimize case head extrusions and brass smear
  • This bolt will also work with the 22 ARC cartridge

All Noveske enhanced DLC Bolt Carrier Groups hand assembled and verified to meet Noveske specs for function, and quality.

*** Carriers finished in DLC (Diamond Like Carbon).   DLC is extremely hard, wear resistant, and easy to clean, but needs to be oiled on a regular basis to realize its full potential***

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