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Aero Precision

5.56mmx45 Nato Bolt Carrier Group For Ar-15 - 5.56 Bcg W/9310 Bolt W/Logo Black Nitride For Ar-15

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Bolt Carrier

Group for AR-15 builds chambered

Available Without

Or without Aero "A" logo,

M16-cut Carrier

Forward assist serrations

Carrier Machined

Properly staked gas key

5.56 Bolt

Machined from Carpenter 158 tool

$154.99
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SKU: 100036669

Overview

Built for AR-15 builds chambered in 5.56 NATO, this bolt carrier group is a practical choice for assembling or refreshing a rifle with compatible components. The listing identifies an M16-cut carrier, forward assist serrations, and a properly staked gas key, along with a black nitride finish and an optional logo configuration. It is described as a high-quality component from Aero Precision, with the bolt carrier group weighing 11.52 oz. For hunters and shooters who want a straightforward parts upgrade for a 5.56 setup, it offers a specification-driven option without unnecessary extras.

Why Hunters Choose the Aero Precision

M16-cut Carrier

Supports standard AR-15 bolt carrier

Properly Staked

Gas key is listed in

Carrier Includes

Forward assist serrations for compatibility

Available Chrome

Lined phosphate or nickel boron

Bolt Options

Include Carpenter 158 or 9310

Key Features

  • Bolt carrier group for AR-15 builds chambered in 5.56mmx45 NATO.
  • Available with or without Aero "A" logo, depending on configuration.
  • M16-cut carrier with forward assist serrations.
  • Carrier machined from 8620 steel with properly staked gas key.
  • 5.56 bolt machined from Carpenter 158 tool steel, shot peened, HPT tested, and MPI marked.
  • Black o-ring insert on extractor for the 5.56 chrome lined phosphate version.

Best Used For

  • AR-15 builders wanting a 5.56 bolt carrier group for a new rifle assembly.
  • Shooters replacing a worn BCG with a Mil-Spec-style component.
  • Owners who prefer a carrier group with forward assist serrations and properly staked gas key.
  • Builders choosing between chrome lined phosphate or nickel boron BCG configurations.
  • Users looking for an Aero Precision BCG with optional logo styling.

Specifications

Blade FinishBlack Nitride
Bolt Material9310 steel
Bolt Material Nickel Boron Version9310 Steel
Bolt SteelCarpenter 158 tool steel
Bolt TreatmentShot peened
Carrier Material8620 steel
Carrier Material Nickel Boron Version8620 Tool Steel
Carrier TypeM16-cut carrier
Cartridge5.56mmx45 NATO
Extractor InsertBlack o-ring insert
Forward Assist SerrationsYes
Gas KeyProperly staked; chrome lined in one description
Gas Key And Bolt ChannelChrome lined
LogoWith or without "A" Logo
Nickel Boron BcgMentioned
Phosphate CoatingMil-Spec phosphate coating
PlatformAR-15
TestingHPT tested/MPI marked
Weight11.52 oz

Pros

  • M16-cut carrier supports standard AR-15 bolt carrier group configuration.
  • Properly staked gas key is listed in the product specifications.
  • Carrier includes forward assist serrations for compatibility with AR-15 controls.
  • Available in chrome lined phosphate or nickel boron versions.
  • Bolt options include Carpenter 158 or 9310 steel, depending on configuration.
  • HPT tested and MPI marked bolt is specified in the description.

Considerations & Trade-offs

  • This BCG is offered in multiple finish/material configurations, so buyers need to confirm the exact version before ordering.
  • The product description references both a chrome-lined phosphate option and a nickel boron option, which may affect appearance and maintenance preferences.
  • The listing notes an Aero logo option on some versions and no logo on others, so the visual profile is not uniform across all variants.
  • At 11.52 oz., it is worth verifying the weight against the needs of a specific AR-15 build before purchase.

Suggested Comparisons

  • AR-15 upper receiver parts
  • AR-15 bolt carrier groups
  • AR-15 small parts kits
  • AR-15 maintenance and replacement parts

Suggested Accessories

  • AR-15 charging handle
  • AR-15 upper receiver
  • AR-15 cleaning kit
  • Bolt carrier group parts kit

Frequently Asked Questions

Is this bolt carrier group compatible with a 5.56 NATO AR-15 build?

The product title and description identify it as a 5.56mmx45 NATO bolt carrier group for AR-15 builds.

What bolt and carrier materials are listed for this BCG?

The provided description lists a 8620 steel carrier and a 9310 steel bolt for the nickel boron version. It also lists a 8620 steel carrier and a Carpenter 158 tool steel bolt for the chrome lined phosphate version.

Does this BCG include an Aero logo?

The data says the chrome lined phosphate version is available with or without an "A" logo, while the nickel boron version is listed as having no Aero "A" logo.

What testing or inspection details are provided?

The description states the bolt is shot peened and HPT tested/MPI marked.

What is the listed weight of this bolt carrier group?

The description lists the weight as 11.52 oz.