Another update from FG-Airsoft as they release new upgrade parts for the KWA/KSC MP9 Gas Blowback Machine Pistols, the parts are designed to improve efficiency in terms of gas usage and cool down effect making the shooter use a single magazine for more BB loads and longer shooting, and the to also enhance the recoil effect which many airsoft players are after... "We have just added to new products for KSC / KWA MP9 to our website:
