Prometheus EG Barrel 469mm for G3

Prometheus EG Barrel 469mm for G3 For use on Tokyo MArui G3 A3 and SG1. For G3A4, please use MC51 version. High grade precision barrel at 6.03mm diameter for extra power and precision shooting Choose this barrel to suit your model For custom upgrade user, you can choose a longer barrel PROMETHEUS EG Barrel by LAYLAX (JAPAN) NOTE: You can always choose a longer Barrel if you have a extended Outer barrel installed