-60 %
USA Made .223/5.56/300BLK Bolt Carrier Group - Nitride- MPI
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- Stock: In Stock
- Model: BCG-MPI
Product Views: 6966
$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.
WARNING to California Residents:⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.