AR15 5.56 Bolt Assembly Nickel Boron
-Fully Assembled Bolt
- 9310 Steel
- Power Spring Kit
- MPI (Magnetic Particle Inspected)
- HPT (High Pressure Tested)
- Shot Peened
- Nickel Boron Coated
-Fully Assembled Bolt
- 9310 Steel
- Power Spring Kit
- MPI (Magnetic Particle Inspected)
- HPT (High Pressure Tested)
- Shot Peened
- Nickel Boron Coated