I made a suppressor and a thread adaptor for my Cricket rifle a while back and I just left the adaptor and end caps on the suppressor as machined. A couple days ago I powder coated the end caps and the adaptor and I think it looks much better now. I have tried several other suppressors on this rifle but for some reason it shoots the best with this one I made, it must be doing something with the harmonics of the barrel so it's definitely going to stay on it for now on....