ICS M4 is a standard style M4 platform with the widely popular ICS internals. Internally featuring ICS's split version 2 gearbox design, this one of a kind model will surely help you stand out at the field. The split gearbox allows for ease of disassembly and performing maintenance. It can also be used to change the FPS by changing out the upper half containing the spring. The gearbox also features a functional forward assist knob and spring tension release giving your gun's spring a longer lifespan. Powered by the ICS Turbo 3000 motor keeps the rate of fire high. Battery and Charger Not Included 330 FPS with 0.20g BBs Length: 31"