Wii Tech B-31S v2.0 Upper Handguard - Tokyo Marui AKM GBBR Handguard Length_4.25 Inch it comes with authentic Barrett

it comes with authentic Barrett trade marks laser engraved on the lower receiver

just like the KSC 18C models

Includes all parts shown

red laser mode

D3O® palm padding absorbs impact and vibration

Wii Tech B-31S v2.0 Upper Handguard - Tokyo Marui AKM GBBR Handguard Length_4.25 Inch it comes with authentic BarrettThis rail is made by precision CNC machines. 2021 version with a matt black hardcoat anodized finishing. The upper handguard must be installed above a Wii Tech aluminium gas tube. Must be mounted to a Wii Tech lower handguard B 30 or B 30U. The handguard has a long Picatinny rail on top, and has steel nuts and screws for installation. Wii Tech Gas Tube is required when installing Wii Tech Upper & Lower Handguards. It fits the Tokyo Marui AKM GBBR only.