If you have 1/8th available, I'd go for it. It's not that much heavier, and on big guys (and boys), I think it would be a better bet. That's what I use for the UCRs I use as part of my ring buckle suspension. I'm in the 240s. I do use 7/64 for my SRL.
Time is but the stream I go afishing in. Henry David Thoreau