LBE Unlimited 5.56 M16 / AR-15 Bolt Carrier Group - Manganese Phosphate

Manufactured by LBE Unlimited
Manufactured by LBE Unlimited
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The LBE Unlimited M16 BCG is built to Mil-Spec, so you know you are getting a quality bolt carrier group that will last thousands of rounds. The carrier is made from 8620 tool steel while the bolt is made from Carpenter 158 the most durability possible. The exterior features a heavy Manganese Phosphate coating that absorbs oil for less maintenance while the internals are chrome lined to withstand the extreme heat and pressure of expanding gasses. The gas key screws are properly staked to prevent them from backing out over time. Build a bomb proof rifle with the LBE Unlimited 5.56 bolt carrier group.

  • 5.56 Carpenter 158 bolt
  • 8620 Steel carrier
  • Manganese Phosphate finish
  • Chrome lined internals
  • Staked gas key
  • Made in the U.S.A.
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Bolt FinishManganese Phosphate
Bolt MaterialCarpenter 158 Steel
BrandLBE Unlimited
Caliber Gauge5.56 NATO
Carrier FinishManganese Phosphate
Carrier Material8620 Tool Steel
Carrier StyleM16 Bolt Carrier
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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