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 threaded for optima-choke hp.Approved: Steel,Lead,Non-ToxType: FlushGauge: 12 GaugeConstriction Type: Improved CylinderConfiguration: Optima HPFinish: SilverConstrictiondiameter: .719Chokes Included: 1Recommended For: 30 ydsMaterial: SteelPorted: No