More on Extreme Airsoft as special guest in this RandomGuyKev episode as they talk about the Perun Airsoft MOSFET for AUG AEGs. The Perun MOSFET for AUG is a drop-in replacement for the mechanical contacts in your AUG replica. It is compatible with Tokyo Marui standard AUG replicas, including those made by Classic Army, JG, and ASG.