Description
FU INC Complete Bolt Carrier Group for 5.56/.223/300blk
The FU Inc. Complete Bolt Carrier Group for 5.56/.223/300blk is engineered for reliability, durability, and consistent performance across a wide range of AR-15 platforms. Built with proven materials and precision machining, this AR-15 bolt carrier group (BCG) delivers smooth cycling and dependable function whether you’re running 5.56 NATO, .223 Wylde, or .300 Blackout.
Designed for both new builds and upgrades, this BCG provides the strength and performance needed for high round counts, making it an essential component for AR-15 builders, enthusiasts, and shooters demanding reliability.
Key Features
9310 Steel Bolt
- High-strength alloy built for durability and fatigue resistance
- Designed to handle repeated high-pressure firing cycles
- Provides long-term reliability in demanding conditions
8620 Steel Carrier
- Industry-proven material for AR-15 carrier bodies
- Ensures smooth cycling and consistent operation
- Built to withstand extended use and heavy firing schedules
Black Nitride Finish
- Superior corrosion and wear resistance compared to standard coatings
- Reduces friction for smoother cycling
- Minimizes carbon buildup, making cleaning easier
Full-Auto Profile Carrier
- M16-style carrier for increased mass and improved reliability
- Enhances cycling consistency across different ammo types
- Ideal for both standard and performance AR-15 builds
Forward Assist Serrations
- Mil-spec serrations for proper forward assist engagement
- Ensures compatibility with standard AR-15 upper receivers
Multi-Caliber Compatibility
This bolt carrier group is compatible with:
- 5.56 NATO
- .223 Wylde
- .300 Blackout
Its versatile design makes it an excellent choice for shooters running multiple uppers, allowing one high-quality BCG to perform across different configurations.
Performance & Durability
The combination of a 9310 bolt and 8620 carrier, paired with a nitride surface treatment, creates a bolt carrier group built to last. The hardened finish improves wear resistance while reducing friction, resulting in smoother operation and extended service life.
Whether you're training, building, or upgrading, this BCG is designed to deliver consistent cycling, reliable extraction, and long-term durability.
