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Not sure which choke system your gun has? Check out our Choke Interchange Guide to find out!

TriStar TSA 3 1/2″ Semi Auto (serial# higher than 11/16240) Shotguns

Interchanges with Carlson’s Optima Plus choke style threads

25th May 2019

Interchanges with Carlson’s Optima Plus choke style threads

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