Nice Ssg for sale or trade G&G gb Zci cylinder Zci piston head Shs piston 13.1 15 tooth sector gear Sorbo pad M120 Shs tappet G&g nozzle G&G Teflon cylinder head G&G etu Jg blue motor New gen g&g rotary hop New g&g blue bucking Madbul 6.03 tight bore 350 FPS with a .25 38 rps