Aero Precision, Bolt Carrier Group, 9mm, Fits AR9, Nitride Finish, Black

Aero Precision, Bolt Carrier Group, 9mm, Fits AR9, Nitride Finish, Black

Machined from 8620 Steel
Black Nitride Finish
8620 Steel Bolt Assembly
4140 Steel Bolt Guides
Grade 23 Titanium Firing Pin
Firing Pin Retaining Pin
4140 Steel Extractor
Heavy Duty extractor coil pin
Product Description

The Aero Precision EPC/AR9 Bolt is the core of your EPC build. Machined from 8620 steel and featuring a nitride finish, fracture resistant grade 23 titanium pin, and 4140 steel extractor, the EPC bolt assembly is precision machined from the ground up to meet the extreme demands of blowback AR platform firearms.