The Sport-1 Rail Set for AK-74/ AK-105 series is a versatile, lightweight, and durable modular system designed for full-size and medium size AK replicas. It features an innovative design based on the B10L handguard and comes with a Zenitco mounting system, allowing for easy attachment of accessories anywhere along the rails. The set includes a B10L "Sport" handguard, a DL-1 "Sport" handguard extension, and a B-31L "Sport” gas tube overlay, as well as a set of mounting screws. With its high ergonomics and large surface for attaching accessories, this rail set is a must-have for any AK replica user looking for customization according to their needs.