KWA KMP9 FPS Reduction "Low Power" Bolt Assembly Hi-Cap Magazines Fills your GBB mags with

Fills your GBB mags with computer duster gas (HFC134A - Tetrafluoroethane)

An affordable

Designed to use the minimum amount of air from your tank as possible so you don't waste air/gas while testing and setting up your equipment at home

• New Select-A-Mode™ - put your gun in Select-A-Mode to instantly cycle through modes on the fly during game play with just the press of a single button

NOT JUST FOR PAINTBALL

KWA KMP9 FPS Reduction "Low Power" Bolt Assembly Hi-Cap Magazines Fills your GBB mags withFeatures: Direct OEM Part by KWA Complete Drop in Assembly Lowers Muzzle Velocity by 50 70 FPS Compatibility: KWA KMP9 KMP9R Airsoft GBB SMG