Would it be possible to install three tight bore barrels into a spring trishot? From what I've seen, they don't seem to be the easiest thing to open up
the only thing I know that has the potential to be upgraded, was the old TM SPAZ shotguns.
You can do almost anything with time and some skill. You would have to cut you own barrels from existing tightbores, well more like modify.
Some say-That it's impossible for him to wear socks, and he can open a beer bottle with his testes.