Bolt PartsAero PrecisionSold by Brownells

Aero Precision

Epc-9 9mm Luger Bolt Carrier Group - Epc-9 9mm Luger Bolt Carrier Group Direct Blowback Black

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

Machined From

8620 steel for EPC/AR9 bolt

Black Nitride

Finish on the bolt assembly

Includes Grade

23 titanium firing pin

Includes 4140

Steel extractor and 4140 steel

All Listed

Parts are installed in the

$179.99
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SKU: 100049020

Overview

Built for EPC and AR9-style blowback builds, this bolt carrier group serves as the central operating component in a 9mm Luger setup. It is machined from 8620 steel with a black nitride finish and includes a grade 23 titanium firing pin, 4140 steel extractor, bolt guides, retaining pin, and heavy-duty extractor coil pin, with the parts installed. For builders focused on a straightforward, purpose-driven assembly, it offers the core components needed for a compatible EPC build, while the compatibility disclaimer should be noted before purchase.

Why Hunters Choose the Aero Precision

Machined From

8620 steel for the EPC/AR9

Black Nitride

Finish is included on the

Includes Grade

23 titanium firing pin

4140 Steel

Extractor and steel bolt guides

All Listed

Parts are installed for a

Key Features

  • Machined from 8620 steel for EPC/AR9 bolt assembly use.
  • Black nitride finish on the bolt assembly.
  • Includes a grade 23 titanium firing pin.
  • Includes a 4140 steel extractor and 4140 steel bolt guides.
  • All listed parts are installed in the assembly.
  • Designed for blowback AR platform firearms and EPC builds.

Best Used For

  • EPC/AR9 builders needing a complete 9mm bolt assembly for a blowback AR platform.
  • Shooters assembling an Aero Precision EPC build and wanting matched EPC/AR9 bolt components.
  • Users who prefer an installed, ready-to-use bolt assembly with included firing pin and extractor parts.
  • AR9 owners checking compatibility carefully, since Aero notes this bolt may not fit every setup.

Specifications

Blade FinishBlack Nitride Finish
Bolt Assembly8620 steel bolt assembly
Bolt Guides4140 steel bolt guides
Compatibility DisclaimerAero's 9mm Bolt may not be compatible wi
Extractor4140 steel extractor
Extractor Coil PinHeavy duty extractor coil pin
Firing PinGrade 23 titanium firing pin
Firing Pin Retaining PinIncluded
Material8620 steel

Pros

  • Machined from 8620 steel for the EPC/AR9 bolt assembly.
  • Black nitride finish is included on the bolt assembly.
  • Includes a grade 23 titanium firing pin.
  • Features a 4140 steel extractor and steel bolt guides.
  • All listed parts are installed for a complete bolt assembly.
  • Designed specifically as the core of an EPC build.

Considerations & Trade-offs

  • Aero’s 9mm bolt may not be compatible with every setup, so fitment should be verified against the intended EPC/AR9 build before purchase.
  • This is a bolt assembly only; it does not include other components needed to complete a build.
  • The nitride finish and included internal parts are specified, but the listing does not provide broader performance or service-life claims.
  • Because it is designed for blowback AR platform firearms, it is purpose-built for that configuration rather than a universal 9mm solution.

Suggested Comparisons

  • AR-9 upper receiver group
  • 9mm Luger bolt assembly
  • Direct blowback bolt carrier group

Suggested Accessories

  • Bolt carrier group cleaning kit
  • Gun oil
  • Punch set
  • Spare firing pin retaining pin

Frequently Asked Questions

What platform is this bolt carrier group intended for?

It is described as the core of an EPC build and as an EPC/AR9 bolt for blowback AR platform firearms.

What materials are listed for the bolt assembly?

The source lists a bolt assembly machined from 8620 steel, 4140 steel bolt guides, a grade 23 titanium firing pin, and a 4140 steel extractor.

Does this come as a complete installed assembly?

Yes. The description says all parts are installed, and it includes the bolt assembly, bolt guides, firing pin, firing pin retaining pin, extractor, and heavy duty extractor coil pin.

What finish is on the bolt?

It is listed with a black nitride finish.

Is there any compatibility warning?

Yes. The disclaimer states that Aero's 9mm Bolt may not be compatible wi, which appears to be truncated in the provided data, so no further compatibility detail is available from the source.