Wiring and other notes.

Replica Airsoft Headset and Real Headset TP120 wiring.

Military headsets are wired starting at the tip: Headphone +, Headphone -, Mic +, Mic Ground.

Airsoft headsets are wired starting at the tip: Mic +, Mic Ground, Headphone +, Headphone -.

So to convert one to the other swap the wires from the first 2 connections closest to the tip to the two furthest from the tip and vice versa.