Prime Mech Airsoft has created a high-performance custom MP5, designed for optimal performance in close-quarters battle scenarios. Based on the Cyma CM041J MP5 A3 platform, this build incorporates a Gate ASTER II Bluetooth MOSFET, a T238 brushless motor, and 18:1 short-stroked gears, resulting in a measured muzzle energy of 1 joule with 0.28g BBs. Prime Mech Airsoft focuses on constructing high-end airsoft rifles, emphasizing rapid and precise trigger response alongside reduced operational noise, all meticulously assembled within their workshop in France.