RA Tech NPAS Valve For KSC/ KWA MP7 & System 7 & KJ Works M4 GBB Airsoft

RA Tech NPAS Valve For KSC/ KWA MP7 & System 7 & KJ Works M4 GBB Airsoft Metal Construction Airsoft Valve NPAS (Negative Pressure Adjustment System) technology Valve NPAS technology is now available for various other gas blowback weapons This valve is specifically for installation in KSC/KWA gas blowback MP7 SMG and other gas blowbacks utilizing System 7 technology NPAS enables more consistent shot-to-shot power (FPS) performance Allows adjustment of gas flow to decrease or increase power (FPS) levels Can achieve significant decreases or slight increases in FPS compared to factory settings Suitable For KSC/ KWA MP7 & System 7 & KJ Works M4 Gas Blow Back GBB Airsoft