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Midwest Industries Bolt Carrier Group for AR-15/M16 – 5.56 NATO, Nitride (MI-BCG-NIT)

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Brand Midwest Industries Shop all → MFR# MI-BCG-NIT UPC 812102032946
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Midwest Industries Bolt Carrier Group for AR-15/M16 – 5.56 NATO, Nitride (MI-BCG-NIT)

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Why customers choose this item

  • Fits AR15 and M16 rifles
  • 5.56 NATO bolt carrier group
  • Carpenter 158 steel bolt
  • Black nitride coating finish
  • Complete bolt carrier assembly
  • Standard AR platform fit

Product highlights

  • Bolt carrier group designed for AR-15 and M16 rifles chambered in 5.56 NATO
  • Features C158 Carpenter steel bolt for strength and reliable long term performance
  • Black nitride coating provides corrosion resistance and smoother carrier operation
  • Designed for maintaining and upgrading firearms with durable construction standards
  • Midwest Industries precision manufacturing supports consistent fit and function
  • Suitable replacement bolt carrier group for AR platform rifles and builds

Product description

The Midwest Industries 556 Bolt Carrier Group is a bolt carrier group designed for use in AR-15 and M16 pattern rifles chambered in 5.56 NATO.

The Midwest Industries 556 Bolt Carrier Group is constructed using Carpenter 158 steel for the bolt and features a black nitride coating for surface treatment. This bolt carrier group is compatible with .223 Remington and 5.56 NATO platforms and follows a standard AR-15/M16 configuration. It is designed for use as a core cycling component within the upper receiver assembly. The Midwest Industries bolt carrier group installs within compatible rifles using standard interfaces. In typical setups, the BCG supports consistent operation for range use and general firearm function.

Specifications

Brand
Midwest Industries
Model / Series
MI-BCG-NIT
MPN (Manufacturer Part #)
MI-BCG-NIT
UPC
812102032946
Item Type (leaf)
Bolt Carrier Group
Pack Quantity
1
Weight
11.5 oz
Primary Use / Application
BCG Operation
Platform Compatibility
AR-15/M16
Caliber Compatibility
5.56 NATO
Material
8620/9310 Steel
Finish / Coating
Black Nitride
Configuration
Full Auto BCG
Included Components
Complete BCG

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FailZero AR-15 Bolt Carrier Group – Nickel Boron Coated, No Hammer, Black
FailZero AR-15 Bolt Carrier Group – Nickel Boron Coated, No Hammer, Black
Price$159.60$167.13$164.56
Primary Use / ApplicationBCG OperationBCG OperationAR-15 Cycling
Platform CompatibilityAR-15/M16AR-15/M16AR-15
Material8620/9310 Steel8620/9310 SteelSteel
Finish / CoatingBlack NitrideBlackNiB EXO
Caliber Compatibility5.56 NATO5.56 NATO5.56/.223
ConfigurationFull Auto BCGFull Auto BCGNo Hammer

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