MGP 19mm CCW Full Metal Thread Negative GAMMA EPSILON 556 Flash Hider for Airsoft Gen9 J9 Water Ball Blaster
https://www.vogueparade.com/shopping/EN/100001719/1/1005003713791484/mgp-19mm-ccw-full-metal-thread-negative-gamma-epsilon-556-flash-hider-for-airsoft-gen9-j9-water-ball-blaster//