This KWA "Low Power" bolt assembly kit is meant for use in the KMP9 and KMP9r. When installed, it helps to reduce the fps of the bb's fired from the by approximately 50 to 70 fps. It is a complete, drop-in assembly, and will help make your gun legal for use in a CQB environment.
Manufacturer: KWA USA
Package includes: Bolt assembly
Gun model: KMP9/KMP9R