All-aluminum RIS top mounting rail for AKS-74U type replica. The B-18U rail is an extended version. The rail is mounted on the replica's jaw.
5KU parts are suitable for most AK replicas based on the VFC system (including VFC, Boyi, Cyma), as well as E&L and LCT. We do not guarantee full compatibility, however, some parts may require minor modifications and the use of tools to install.
