Aero Precision 9mm Bolt Carrier Group – Direct Blowback | Nitride Finish

The Core of Your EPC / AR9 Build

The Aero Precision EPC / AR9 Bolt Carrier Group is purpose-built for 9mm direct blowback AR platforms. Precision-machined from the ground up, this bolt assembly is designed to handle the increased forces and stresses associated with blowback-operated firearms while delivering consistent, reliable performance.

Premium Materials & Precision Machining

Machined from 8620 steel and finished with a durable black nitride coating, this bolt carrier group offers excellent wear resistance, corrosion protection, and smooth operation. The bolt assembly features a fracture-resistant Grade 23 titanium firing pin and a hardened 4140 steel extractor, ensuring durability under repeated use.

Designed for Direct Blowback AR Platforms

Engineered specifically for 9mm direct blowback systems, the EPC bolt assembly provides the mass and strength required for reliable cycling in pistol caliber carbines. All components come fully installed, making this a true drop-in solution for compatible EPC / AR9 builds.

Important Compatibility Notice

Disclaimer: This 9mm bolt may not be compatible with some aftermarket fire control groups. It is recommended to use a mil-spec or PCC-specific trigger group. After assembly, always verify proper operation and trigger reset using an unloaded firearm prior to use.

Specifications

• Bolt Assembly Material: 8620 Steel
• Extractor: 4140 Steel
• Firing Pin: Grade 23 Titanium (fracture resistant)
• Finish: Black Nitride
• Operating System: Direct Blowback
• Assembly: Fully Assembled, Drop-In Ready

Why Choose the Aero Precision EPC / AR9 Bolt

• Purpose-built for 9mm direct blowback AR platforms
• Durable nitride finish for smooth operation and easy maintenance
• Premium steel components for long-term reliability
• Fracture-resistant titanium firing pin
• Designed and manufactured to meet the demands of PCC builds