One thing to consider about that suppressor is that it's extremely muzzle forward and extremely heavy if I remember right. Many suppressors would be quieter if those 2 parameters where increased. Any suppressor pushing too far past 300grams is getting to the point I'm not interested unless it could literally remove all sound (ie not possible). I think that as long as minimum suppression required is met I would consider length forward, and weight and to a lesser extent durability as the next items of concern.
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