1. CMMG BOLT CARRIER GROUP M16 556

CMMG BOLT CARRIER GROUP M16 556

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On sale $159.95 $149.95
Part Number: CMMG BCG
Availability: Out of Stock

CMMG Full Auto M16 5.56 Bolt Carrier Group

 The CMMG Full-Auto M16 5.56 bolt carrier group is complete, ready to use with Milspec phosphate coating finish. The Bolt is a 9310 alloy. 

This is CMMG’s bolt carrier group in full auto version (legal in all rifles).  The carrier is 8620 and chrome lined internally.

Machined to USGI Military specifications. This M16/M4 carrier includes the proper Mil-Spec gas key and stainless teel firing pin.

The gas key is chrome lined and heat treated per GI specifications.   These properly hardened parts insure a strong staking and proper gas system functioning.


Product Specifications:

 

  • Milspec Carpenter No. 158® steel
  • HPT Bolt (High Pressure Tested)
  • MPI Bolt (Magnetic Particle Inspected, not marked)
  • Shot Peened Bolt
  • Chrome Lined Carrier (Auto)
  • Chrome Lined Gas Key
  • Gas Key Hardened to USGI Specifications
  • Grade 8 Hardened Fasteners
  • Key Staked Per Mil-Spec
  • Tool Steel Extractor
  • CMMG Extractor Spring
  • Black Extractor Insert
  • Mil-Spec Crane O-Ring


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