Apex walks us through the upgrade of a Tokyo Marui Hi-Capa GBB Pistol using Nexxspeed parts. He unboxes and prepares to install a fresh CNC aluminum blowback unit (BBU), a matching aluminum nozzle, and a 180% nozzle spring. The aluminum construction is highlighted as a durable fix for a component that shouldn't break, though the installation gets off to a slightly chaotic start when the presenter realizes the parts are thirsty for some much-needed lubrication.

Blowback Industries show how to remove the WELL M92FS Blowback Unit whether the airsoft or gel blaster version... "This is for WELLS M9's, but may also be relevant to other brands too. Let me know if you have any questions on how to do this :) Happy to help!"