Hephaestus Airsoft released a video on their new Recoil Power Kit for the PTS/KWA Masada Gas Blowback Rifle which is coming soon. This kit increases the weight of the bolt carrier by ~25% and it has a dual-spring design for sharp and fast recoil. With this kit, user will experience an increase in kick and enhanced shooting experience without sacrificing the rate of fire and gas efficiency.