Beretta Optima-Choke® HP tubes stand up to the heat of competition. Manufactured from high strength steel and finished in a nickel-alloy coating, these chokes guarantee significant corrosion resistance and have the ability to withstand the rigors of steel shot. Optima-Choke® HP tubes are fully interchangeable on all Beretta barrels that are threaded for Optima-Choke® HP. These choke tubes are designed for 20 gauge shotguns with the optimachoke HP system.
Where can I find the constrictions or dimensions on my Beretta choke tubes?
How can I tell which choke tubes fit in my shotgun?