The Rock River Arms BOLT CARRIER GROUP 5.56x45 Phosphate Full Auto is a premium component designed for AR-15 platform rifles. It is crafted to meet the rigorous demands of military, law enforcement, and high-performance civilian shooters. With a full-auto rating and a durable phosphate finish, this bolt carrier group (BCG) offers reliable function and long-lasting performance.
Key Specifications:
- Caliber Compatibility: 5.56x45mm NATO / .223 Remington
- Carrier Material: 8620 Steel
- Bolt Material: Carpenter 158 Steel (Shot Peened for enhanced durability)
- Finish: Manganese Phosphate Coating for corrosion resistance
- Gas Key: Chrome-lined, properly staked to prevent loosening
- Weight: Mil-Spec weight for reliable cycling
- Firing Pin: Hardened and chromed for reduced wear
- Full Auto Capability: Rated for full-auto and semi-auto rifles
- Extractor: Equipped with an O-ring insert for improved extraction reliability
- Compatibility: Designed to fit AR-15/M16/M4 platforms
- Magnetic Particle Inspected (MPI): Ensures the integrity and reliability of the bolt
- High-Pressure Tested (HPT): Verifies the bolt's strength and performance under stress
Features:
- Precision Machining: Engineered to tight tolerances for smooth operation and reduced friction, enhancing the reliability of your rifle.
- Phosphate Finish: Offers excellent resistance to wear and corrosion, ensuring long-lasting durability in harsh conditions.
- Full Auto Rated: Capable of handling the higher stresses and heat associated with full-auto fire, making it suitable for all shooting scenarios.
- Properly Staked Gas Key: Prevents the gas key from coming loose during prolonged use, which is crucial for maintaining reliable gas flow and cycling.
- Enhanced Extraction: The extractor is optimized with an O-ring insert, providing superior reliability even with high-pressure loads.
Benefits:
- Durable Construction: Built with high-quality materials and finishes to withstand rigorous use and provide a long service life.
- Reliable Cycling: Ensures consistent and reliable operation of your AR-15/M16 platform, even under full-auto fire.
- Ease of Maintenance: Phosphate coating simplifies cleaning and maintenance, reducing downtime and keeping your rifle in optimal condition.
- Versatile Compatibility: Works with a wide range of AR-15/M16 platforms, making it a versatile upgrade for various builds.