Carlson`s Sporting Clays choke tubes are made from 17-4 stainless and precision machined. Sporting Clays patterns better than standard choke tubes. These choke tubes feature a 25 % larger parallel section in the choke. Beacause of larger parallel section Sporting Clays chokes throwing more consistent patterns than conventional choke tubes. Each choke tube is knurled on the end to allow for quick and easy removal. Each choke tube has the constriction laser marked on the end for easy reference. You can use lead, steel, nickel, copperplated, Hevi-Shotshells™, and buck shots when using Carlson´s Sporting Clays chokes. Steel shot larger than BB should not be used in any Sporting Clays Choke tighter than full constriction. Invector thread fits with Winchester(Shadow etc.), Browning Invector, Mossberg, Ruger (Pre-1993), Savage Arms, and Weatherby Shotguns. NOTE! Winchester SX-2, SX-3, SX-4 & SXP use Browning Invector Plus choke tubes.
