Description
The Aero Precision 9mm Bolt Carrier Group is a high quality direct blowback bolt carrier group for your AR9. Machined from 8620 Tool Steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor.
Finish: Black Nitride
Caliber: 9mm
The Aero Precision 9mm Bolt Carrier Group 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, verify proper operation and trigger reset with an unloaded firearm prior to use.
