I have a Smith and Wesson 1012, and I believe the S&W is very near the same as the TriStar....or at least it appears to be.
There are a few semi autos produced out of Turkey that have the same looking receiver, and I wonder if they are all made by the same manufacturer for the different marketing companies throughout the world. ie TriStar, Franchi, Stoeger, S&W,Charles Daly.
I like my S&W, it functions as it should and it came with two "gas valves" for light and heavy loads, 5 choke tubes, stock shims and MODB camo....new in the box I won the auction for less than half the retail cost off GunBroker, it was a bargain !!!
I also have an 11-87 Sportsman and it does fit/feel better to me, even being a bit heavier than the S&W.
I wouldn't shy away from the TriStar if I were in the market for another shotgun.