TacFire BU-556-10 5.56x45mm NATO 10-inch Pistol Upper

Description

This TacFire BU-556-10 is a complete AR-platform pistol upper built around a 10″ black nitride barrel and a black anodized 7075-T6 aluminum receiver. It ships complete with a Bolt Carrier Group and an M-LOK handguard, and is configured optic-ready with no fixed sights. The unit is intended for use on compatible AR lower receivers to create a compact, short-barrel configuration suitable for close-quarters and range-oriented setups.

Key Specifications

• The caliber is .223 REM/5.56 NATO.
• The barrel measures 10″.
• The barrel finish is Black Nitride.
• The receiver finish is Black Anodized.
• The receiver material is 7075-T6 Aluminum.
• The handguard style is M-LOK.
• The handguard finish is Black.
• The sights are None, Optic Ready.
• The product type is Complete.
• The weight is 3.669.

Built to deliver a compact, dependable upper for AR-platform pistol builds, the BU-556-10 pairs a short, durable nitride-treated barrel with a robust 7075-T6 receiver and modular M-LOK handguard. Its optic-ready configuration and included Bolt Carrier Group make it a practical choice for users seeking a streamlined, easy-to-integrate upper for range work or compact configurations where maneuverability and reliability are priorities.