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Aero Precision Bolt Carrier Group HPT/MPI 5.56 - with Logo
Features:
- M16-cut carrier
- Machined from 8620 steel
- Mil-Spec phosphate coating
- Laser engraved Aero Precision logo
- Properly staked gas key
- Chrome lined carrier, gas key, and firing pin channel
- 5.56 Bolt is machined from Carpenter 158 tool steel
- Shot peened
- HPT (High Pressure Tested)
- MPI (Magnetic Particle Inspected) and marked MP
- Black o-ring insert on extractor
- High quality BCG
- Made in USA
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