Okay, I tried SSPKali's tip with burts and it worked - now it fires easily 3 mags, and i think probably, as he sad, it would be even better if i took out those seals... Great thanks guys. BTW it would be strange if sth had been wrong with the gun since it fired crisp and loud, if it was taking 2x more gas per shot i think it woud be noticable in action. So thanks again. Have a nice day!