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Microbest

Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride

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SKU:
14701
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  • Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride
  • Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride
MSRP: $134.95
Now: $89.95
Was: $129.95
— You save $45.00
Excluded from additional discounts.

Description

Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride

The Microbest 5.56 NATO AR 15 Bolt Carrier is known for being the benchmark for quality and reliability throughout the industry. Microbest not only manufactures their own bolt carriers, but also provides parts to some of the biggest and most well known brands. These AR 15  bolt carriers feature a corrosion resistant salt bath nitride finish and come with a lifetime warranty.

Features:

  • .233/5.56 NATO
  • Corrosion resistant salt bath nitride finish
  • M16 cut
  • Aircraft quality 8620 steel carrier
  • 4130 steel gas key
  • Properly staked grade 8 gas key screws
  • Carpenter 158 steel bolt
  • 4140 steel extractor
  • MIL-SPEC O-ring
  • MIL-SPEC gas rings
  • 4140 steel cam pin
  • 8740 steel firing pin with hard chrome finish
  • Magnetic particle inspected
  • Lifetime warranty
  • Proudly made in the U.S.A.
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Warranty Information

Lifetime
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2 Reviews

  • 4
    Micro best nitride bcg

    Posted by Ernesto Isunza on Oct 11th 2023

    Would recommend all the bores specs are good very efficient for the price well worth it.

  • 5
    Best BCG

    Posted by Victor C. on Nov 1st 2022

    i would have to say this is one of the nicest bolt carrier groups i have used. Thanks BRD for quick shipping.

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