Aero Precision APRH100019 5.56 Bolt Carrier Group

$146.11 Out of stock

Mil-Spec phosphate AR-15 bolt carrier group with C158 bolt, chrome-lined gas key, and HPT/MPI testing for reliable performance.

Fits: AR-15

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Aero Precision 5.56 Bolt Carrier Group

This is a properly engineered bolt carrier group built to Mil-Spec standards for the AR-15 platform. It represents the kind of straightforward, no-nonsense component that serious shooters depend on.

Key Features

  • Carrier: Machined from 8620 steel with M16-cut design and forward assist serrations
  • Bolt: Machined from Carpenter 158 tool steel, shot peened for durability
  • Coating: Mil-Spec phosphate finish for corrosion resistance
  • Gas Key: Chrome-lined with proper staking for reliability
  • Extractor: Black o-ring insert for consistent performance
  • Quality Control: HPT tested and MPI marked

Why It Matters

A bolt carrier group is the heart of your AR-15's reliability. This unit combines proven materials with proper manufacturing techniques. The C158 bolt steel and chrome-lined gas key are time-tested choices that deliver consistent function across thousands of rounds. The phosphate finish provides adequate protection without unnecessary complexity.

Whether you're building a new rifle or upgrading an existing one, this carrier group offers the dependability you need at a reasonable price point.

Attributes

Finish: Black Phosphate
Material: Steel
Model: Complete
Size: .223 Remington/5.56 NATO
Type: Bolt Carrier Group