Bartlein 6mm ARC 1-7.5 Twist Tactical Upper, Threads 5/8-24


This upper is built on a MIL Spec A4 receiver with MIL Spec complete bolt carrier assembly, charging handle and standard A2 flash suppressor. Minus the handguard and gas block.

  • Manufactured by: Compass Lake Engineering

Additional information

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Caliber    6mm ARC
Gas Block  .750


Out of stock

Out of stock