Alpha Nickel Boron Bolt Carrier Group 5.56/.223 MPI Marked

$ 106.95 $ 139.99

Features

  • Complete bolt carrier group assembly
  • Alpha Lifetime Guarantee
  • MPI Marked
  • Nickle boron plated.
  • Plating has 52 RC hardness
  • MPI tested 9310 bolt 
  • Requires less lubrication, cleans easier than standard bcg
  • Properly staked gas key with grade 8 fasteners

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