10-23-2019, 10:37 PM
Bigs28 Wrote:Tbac ultra 5
I use the ultra 7 because it was like 10db less and only a couple ounces more though.
Are you useing that ultra 5 on a 12 inch grendel?
I went looked it up and what I read on it says it's designed for the 300 slowout.

