B& T BT-21343 MP5 SD 3x NAR HandguardThe B& T MP5 SD 3x NAR Handguard BT-21343 is a specialized handguard designed for the HK MP5 SD. It features three Picatinny rails at the 3, 6, and 9 o'clock positions, providing flexible mounting options for various accessories. Manufactured by B& T, a leading company in military and law enforcement equipment, this B& T BT-21343 handguard enhances the functionality and tactical capabilities of the MP5 SD. Compatibility: HK MP5SD with in-spec compatible SD cages. Some firearms may require modifications to the cage, included mounting bracket or both. B& T MP5 SD 3x NAR Handguard BT-21343