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USA Made .223/5.56/300BLK Bolt Carrier Group - Nitride- MPI
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- Stock: In Stock
- Model: BCG-MPI
Product Views: 5955
$79.99
$199.99
MADE IN THE USA!
Carrier
- M16 style (Auto)
- Machined from 8620 tool steel.
- Heat treated to military specifications.
Bolt
- Machined from Carpenter 158 Material
- Heat treated to military specifications.
- Shot Peened
- Ground to meet military required tolerances.
- MPI (Mag Particle Inspected)
Gas Key
- Machined from 8620
- Heat treated to military specifications.
Extractor
- Machined from 4140
- Heat treated to military specifications.
- Shot peened.
Firing Pin
- Machined from 8640 tool steel.
- Heat treated to military specifications.
- Ground to meet military required tolerances.
Cam Pin
- Machined from 4340
- Quench and temper heat treated.
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