Aero Precision .308 Bolt Carrier Group

For your next big bore AR build you need the reliability and precision engineering of the Aero Precision AR-308/M5 Bolt Carrier Group. Machined from high-quality, high-performance steel and given a black nitride finish, this complete bolt carrier group will have you up and running in no time.

Specifications and Features:

• Platform: Aero Precision M5
• AR-308 Complete Bolt Carrier Group
• Compatible with .308 Based Cartridges
• Material: 8620 Tool Steel
• Gas Key: 4130 Steel, Grade 8 Hardware, Properly Staked
• Firing Pin: Machined from 8740 Steel, Hard Chrome Coated
• Forward Assist Serrations
• Material: Case Hardened 9310 Steel
• All Components Shot Peened
• Extractor: Machined from 4340 Steel, Double O-rings, Double Springs
• Includes: Bolt Carrier, Complete Bolt, Firing Pin, Cam Pin, Retaining Pin
• Weight: 18.24 oz
• Black Nitride Finish with Aero Precision "A" Logo