The Carlson's Cremator Waterfowl Choke Tube features innovative Triple Shot Technology (TST) with a .705 constriction designed specifically for 12-gauge Winchester shotguns. This extended choke tube delivers superior pattern density and reduced pellet deformation for optimal waterfowl hunting performance.Carlson's Cremator Waterfowl Choke Tube in Black12-gauge with .705 constriction for Winchester compatibilityTriple Shot Technology (TST) with three graduated rings25% longer parallel section for tighter denser patternsNo size or speed restrictions with steel shotWrench-less installation and quick removalPrecision-machined from heat-treated 17-4 stainless steelMade in USA with lifetime warrantyCompatible with Winchester Browning Invector Mossberg 500 Weatherby Pre-1993 and Ruger Red Label shotguns. Perfect for serious waterfowl hunters seeking consistent dense patterns throughout the entire hunting season.