Operation Frozen Dagger 2/24, Walk On's Welcome. Standard Gameplay 2/25
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 here or through KWA
Specifications & Safety