TacFire BU-300-16 is a complete AR-platform .300 AAC Blackout upper assembly built for dependable performance and easy integration. It features a 16-inch black nitride barrel with a 1:8 twist and a pistol-length gas system, paired with a 16-inch free-float M-LOK handguard for solid support and flexible accessory mounting.

Key features

• .300 AAC Blackout complete upper assembly for AR-platform builds
• Pistol-length gas system for proper cycling with standard AR operating parameters
• Black anodized upper receiver finish for corrosion resistance and durability
• 16-inch free-float handguard with M-LOK mounting for accessories
• 5/8x24 threaded muzzle with an A2 style muzzle device
• 16-inch black nitride barrel with 1:8 twist for broad supersonic and subsonic performance

Upgrade your AR build with a complete, ready-to-mount TacFire .300 AAC Blackout upper assembly engineered for solid fit and consistent function.