Description

Jones Arms AR-15 Bolt Carrier Group

• Case Hardened 8620 Steel

• Carrier is Melonite Treated

• Mil-Spec Staked Gas Key

• Hard Chrome Coated Firing Pin

• Bolt is CNC ground after heat treatment for precision fit

• Bolt is Melonite Treated

• MPI and HP Tested

• Fits .223/5.56/300BO