The Winchester Extended Turkey Choke Tubes extend approximately 1" from the end of the barrel. They are manufactured from 17-4 heat treated stainless steel and have a matte blue finish. The Extended Turkey Choke Tubes feature a 1.050" parallel section to produce the optimum pattern with your shotgun.
Winchester SX-2 & SX-3 use Browning Invector Plus Tubes.
*Choke pictured is for illustrative purposes. Actual choke may appear different from photo but will fit the model and make of your Winchester shotgun.