6mm ARC Bartlein Barrel

Bartlein Barrels

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Craddock Precision transforms Bartlein excellence into a powerhouse with the 6mm ARC barrel. Meticulously turned for unrivaled accuracy, delivering peak performance in every shot.


  • 16" to 26" in length
  • Rifle to Rifle +2 Gas System
  • 6mm ARC Chamber
  • Enhanced / Enlarged M4 Feed Ramps
  • Bartlein Match Grade SS Blank
  • Three Options of Gas Block (.750", .875", .936")
  • Threads 5/8x24, 3/4x24, or No Threads (all with a 11° target crown)
  • Three Fluting Options (Straight, Spiral, Diamond)
  • Multiple Finish Options to choose from