CMMG Action Tuning Kit

CMMG Action Tuning Kit

Black, For MkG / MkGs Guard

Stock# CMMG45AFF17 UPC 815835018751


CMMG Action Tuning Kit Details

  • Black
  • For:
    • MkG Guard
    • MkGs Guard


CMMG Action Tuning Kit Specifications

Whether you want the smoothest shooting carbine possible or are looking for added reliability while shooting hotter loads or suppressors, CMMG’s Action Tuning Kit* gives you the added flexibility to make the MkG/MkGs Guard perform exactly how you like it. The optional Action Tuning Kit allows you to adjust the action to your preference much like changing buffers or changing gas port settings on an adjustable gas block.


  • 1 oz weight
  • 2 oz weight
  • 3.4 oz weight (standard 9mm)
  • (3).250" x .625" roll pins

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