Prime Mech Airsoft has embarked on another upgrade project, this time with the G&G GK5C. This model is notable for its reduced noise signature, firing at 1.7 joules. The upgrade includes an EXPS EOTech Hollywarrior. The parts list for this project comprises of an ASTER by Gate, a Warhead Brushless, an 18:1 SSG, and a MagicPad. The final output is a powerful 1.7J with 0.32g.