TacFire BU-556-7 is a complete AR-Platform upper assembly chambered in 5.56x45mm NATO, featuring a 7in black nitride barrel and a black anodized receiver. It comes with an M-LOK handguard for flexible accessory mounting.

Key features

• Chambered in 5.56x45mm NATO
• 7in barrel length for a compact AR configuration
• M-LOK handguard for secure, modular accessory placement
• Black nitride barrel finish for enhanced surface wear resistance
• Black anodized receiver for corrosion resistance and durability

Build out a compact AR setup with the TacFire BU-556-7 complete upper assembly designed for quick compatibility and accessory flexibility.