Airsoft silencer

So, this is for a M9, or a Barretta 6mm airsoft. Bump up the percentage of gain for the whole model so the little part fits snuggly over the barrel. Fire a round, eject mag and glue on the compensator (little part) the silencer is designed so that once the compensator is glued in place that you can use the tabs on it to line up the insert spots on the silencer, then push all the way down and turn. BAM, its attached and can be shot thru with a very very noticeable quietness. Loudest sound is the