Microbest

Microbest AR15 5.56 C158 MPI Bolt Carrier Group, Nitride+

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MSRP: $154.95
$110.99
You save $43.96
Microbest AR15 5.56 C158 MPI Bolt Carrier Group, Nitride+
Microbest AR15 5.56 C158 MPI Bolt Carrier Group, Nitride+
SKU:
MB-BCG-NIT-PLUS
MPN:
MBEST-BCG-NITRIDE-PLUS
Maximum Purchase:
3 units
Current Stock:

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Description

Limited Run w/ OCKS Carrier Key Screws

Nitride BCGs without OCKS can be found here

Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms manufacturers. These are individually High Pressure Tested and then undergo a Magnetic Particle Inspection. We recommend degreasing and lubricating before installation. Ships in OEM packaging.

Features:

Nitride M-16 BCG

Mil Spec Carrier

  • 8620 Tool Steel
  • Full Auto M-16 cut

Mil-Spec Bolt

  • C158 Steel
  • Shot Peened
  • High Pressure Tested (HPT) 
  • Magnetic Particle Inspected (MPI)
  • Sprinco Ejector Spring

Mil Spec Extractor

  • 4140 Steel
  • Sprinco Extractor Spring
  • Black Extractor Insert

Mil Spec Gas Key

  • 4130 Steel
  • OCKS Hardware provided by Michiguns
  • Properly Staked
  • In-Spec Opening and Alignment Checked

Weight: 11.6oz

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