Brownells BRN AR-15/M16 5.56MM BOLT CARRIER GROUP, MPI, NITRIDE AZT-M4-556-ST-004

Brownells BRN AR-15/M16 5.56mm Bolt Carrier Group The Brownells BRN AR-15/M16 5.56mm Bolt Carrier Group is a high-quality, complete bolt carrier assembly designed for reliable performance in AR-15 and M16 platforms. This MPI-tested and nitride-finished BCG offers excellent durability, smooth operation, and corrosion resistance for demanding use. Precision-Engineered Bolt Carrier Group This complete bolt carrier group includes the bolt carrier, bolt, firing pin, cam pin, and gas rings. It is Magnetic Particle Inspected (MPI) to ensure structural integrity and is finished with a durable nitride coating. The nitride finish provides superior wear resistance, reduces friction, and offers excellent protection against corrosion without the need for frequent lubrication. Key Features of the Brownells BRN 5.56mm Bolt Carrier Group Complete bolt carrier group for AR-15 and M16 platforms Magnetic Particle Inspected (MPI) for quality assurance Nitride finish for enhanced durability and corrosion resistance Designed for 5.56mm NATO / .223 Remington Smooth operation with reduced friction Model: AZT-M4-556-ST-004 Ideal Applications This bolt carrier group is ideal for building or maintaining AR-15 and M16-style rifles. It is well-suited for duty use, competition shooting, home defense, and general-purpose builds. The nitride finish makes it particularly popular among shooters who want a low-maintenance BCG that performs reliably in various conditions. Why Choose Brownells AR-15 Components? When searching for an AR-15 Bolt Carrier Group, 5.56 BCG, or Nitride Bolt Carrier Group, this product stands out for its quality construction and testing standards. Brownells is a trusted name in the firearms industry, known for offering reliable AR-15 components that meet the needs of serious shooters and builders. Upgrade your AR-15 with the Brownells BRN 5.56mm Nitride Bolt Carrier Group. The End