ASE Ultra Jet-Z compact on my 243 and is as quiet as a church mouse. Short & thin. Slightly heavy but not too bad as the barrel is chopped.
Just put an Aimsport Aimzonic plus on my 308. Lightest mod I've come across and very quiet. Bigger diameter than the ASE so does look a bit more bulky. A good feature is that it's easy to change the flange over, if like me you have different threads on each rifle.
I went through a fad of changing moderators my last purchase was a maxim for my 308 I really like it I use mine with five baffles and no I do not strip it to clean it I just shoot it, weight and noise reduction are very good it will serve you well.....
I have tried or played with many and I will keep with the ASE mods. They last a life time. I have one which started life on a 7Rem Mag and had probably 700 rounds through it plus probably another 5-6k through various other cals and there still isn't any signs of burning/blast erosion.