The KM4 AEG hop-up assembly fits all KM4 Series rifles, including the new SR Series. It comes with everything pictured. Please note that this does not come with the hop-up numb, part E-13, or the bucking, part E-14, which are also available in our ProShop.
This trigger and harness assembly fits all KM4 2GX mechboxes, and includes the leads to the motor and to battery compartment, as well as the trigger contact assembly. Please note that the assembly does not include power supply wire assembly, part 250, which contains the fuse case and the wires connected to the tamiya connector.
The KWA crane stock wiring harness fits multiple KWA KM4 rifles and comes preassembled with parts 36, 43, 54, 55, 56, 58, 69, 70, 71, 114, 122, and 119.
The LM4 bolt is made of sturdy nylon polymer and is a direct replacement for all LM4 rifles, including the LM4C, LM4 RIS, and standard LM4. The bolt is the primary component of the most realistic gas blowback rifle available, and is the heart of the LM4's Force Velocity gas system.
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