How to use a Nielsen Sonic Ghost silencer correctly
There is a small gap on all Nielsen Sonic Ghost silencers between the last module and the lid. This small gap is generally between 0,3 and 0,6mm. The is there to make sure that its always possible to tighten the caliber inserts securely. When changing caliber inserts it is important to make sure that there are no caps between any of the modules EXCEPT between the last module and the lid.
If there are gaps between the other modules, you will introduce the risk of the silencer becoming crooked as a whole.