Anyone use a "ares armor effin A compensator" 308 on bolt gun?

[Bullseyelr]

Anyone use a 308 "ares armor effin A compensator" on bolt gun? I have an opportunity to get on for my 20" remington 700 5r. Wondering if anyone has used one as a brake on their bolt gun? Loud? Effective? Pictures would be great.
Thanks for looking.