The AR-15 5.56 Bolt Carrier Group (BCG) is engineered for exceptional reliability and long-lasting durability, making it an excellent choice for your rifle. The bolt is made from Carpenter 158 steel, a material renowned for its strength and resistance to stress, ensuring it can withstand the rigors of high-volume shooting.
Each bolt is shot peened, high-pressure tested (HPT), and magnetic particle inspected (MPI) to verify its structural integrity and ensure flawless performance. The carrier is machined to Mil-Spec dimensions and finished with a durable coating for smooth operation and corrosion resistance. This BCG is perfect for those who demand top-tier performance and unwavering reliability in their AR-15.
Manufacturer Specs:
- Material: Carpenter 158 Steel (Bolt), 8620 Steel (Carrier)
- Testing: Shot Peened, High-Pressure Tested (HPT), Magnetic Particle Inspected (MPI)
- Finish: Black Nitride or Phosphate (specify if available)
- Caliber: 5.56 NATO / .223 Remington / 300 Blackout
- Gas Key: Staked and chrome-lined
- Firing Pin: Hard chromed
- Compatibility: Mil-Spec AR-15 platforms
Key Features:
- Carpenter 158 steel bolt for unmatched strength and durability.
- Shot peened, HPT, and MPI testing ensure structural integrity and reliability.
- Mil-Spec design for compatibility with most AR-15 platforms.
- Durable finish for corrosion resistance and smooth operation.
- Properly staked gas key for long-term reliability.
FAQs:
Q: What does HPT/MPI testing mean?
A: High-Pressure Testing (HPT) ensures the bolt can handle extreme chamber pressures, while Magnetic Particle Inspection (MPI) checks for microscopic flaws to ensure the bolt is free from defects.
Q: Is this BCG compatible with suppressed rifles?
A: Yes, this BCG is compatible with suppressed setups, though performance may vary depending on your rifle’s gas system.
Q: Can this BCG handle full-auto fire?
A: Yes, this is a Mil-Spec BCG designed to withstand full-auto and semi-auto fire in AR-15 platforms.
Q: What calibers is this BCG compatible with?
A: This BCG is designed for 5.56 NATO, .223 Remington, and 300 Blackout calibers.