TacFire BU-45ACP-16 is a complete AR-platform upper assembly built for 45 ACP use, featuring a 16 in (406mm) black nitride barrel and a black anodized receiver. The M-LOK handguard provides a modern mounting interface for accessories while keeping the front end rigid and capable for everyday range use.

Key features

• Complete upper assembly for AR-platform builds chambered in 45 ACP
• 16 in (406mm) black nitride barrel for improved wear resistance and corrosion resistance
• Black anodized receiver finish for durable, clean appearance
• Designed as a ready-to-install upper assembly for straightforward upgrades
• M-LOK handguard for secure mounting of compatible accessories

Get a purpose-built 45 ACP upper with a nitride barrel and M-LOK front end—ideal for range sessions and caliber-specific setups.