Aero Precision - 9mm Nitride Bolt Carrier Group

Aero Precision 9mm Bolt Carrier Group is the foundation of any EPC or AR9 blowback build. Designed and machined in the USA, this BCG is engineered from premium materials to withstand the demands of pistol-caliber carbines while delivering reliable performance and durability.

• Precision Machining: Constructed from 8620 steel with a sleek black nitride finish for enhanced wear resistance and smooth cycling.
• Durable Components: Features 4140 steel bolt guides, 4140 steel extractor, and a heavy-duty extractor coil pin for long-lasting reliability.
• Fracture-Resistant Firing Pin: Equipped with a Grade 23 titanium firing pin and retaining pin for strength under high stress.
• Complete Assembly: All components are fully installed and ready for drop-in use.
• Compatibility Note: Best paired with mil-spec or PCC-specific trigger groups. May not be compatible with some aftermarket fire control groups. Not compatible with most AR-15 folding stock adapters.
• Made in the USA: Quality craftsmanship you can trust for your AR9 build.

Weighing just 14.7 oz, the Aero Precision 9mm BCG is purpose-built to meet the extreme demands of direct blowback AR platforms, making it an essential upgrade for EPC-9 owners and pistol-caliber carbine enthusiasts.