Wii Tech B-31S v2.0 Upper Handguard - Tokyo Marui AKM GBBR Handguard Length_4.25 Inch color of the products seen

color of the products seen in the pictures may be slightly different than the actual item

the "Bouncer"

RF power: 4W/1W

Interior document sleeve

just like the KSC 18C models

Wii Tech B-31S v2.0 Upper Handguard - Tokyo Marui AKM GBBR Handguard Length_4.25 Inch color of the products seenThis 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.