The reviews list both pros and cons, and are written by both owners and testers.
IMO, the Freak is overrated, unless you get the whole kit. I'd then get a Deadlywind Whisper barrel, and use the inserts with that.
Are you in the market for a kit or just a single barrel?
In and out, blippity bloppity blueee!
Jimbo's the name, don't wear it outtt!