Description
The War Hammer Armaments Full Auto cut Bolt Carrier Group – for M4/AR15. (Manganese Phosphate)
Features:
- 8620 Alloy Steel Carrier
- Manganese Phosphate Finish
- Hard Chrome Bore
- Laser Engraved
- Carpenter 158 Steel
- Heat Treated
- Shot Peened
- MPI Bolt – Magnetic Particle Inspected
- 4140 Phosphate Extractor (NON MIM)
- 8620 Manganese Phosphate Chrome Lined Gas Key (Hand Lapped)
- Gas Key Properly Installed Using Vibra-Tite 541
- 8640 Steel Chrome Plated Firing Pin
- 8620 Cam Pin
- Bolt Comes Pre-Lubed with our house blended lube
- Sprinco 5-coil Extractor Spring
- Sprinco Ejector Spring