TacFire BU-300-10 is a complete AR-platform upper assembly built for 300 Blackout, featuring a 10 inch black nitride barrel, a black anodized receiver, and an M-LOK handguard for modern accessory mounting.

Key features

• M-LOK handguard provides secure attachment points for lights and accessories
• Complete upper assembly for a straightforward build or upgrade on an AR-platform lower
• 10 inch 300 Blackout barrel with black nitride treatment for enhanced wear and corrosion resistance
• Black anodized receiver for durable, low-glare finishing

Upgrade your AR build with the TacFire BU-300-10 complete upper—durable materials, a nitride barrel, and an M-LOK handguard in a ready-to-install configuration.