Product DescriptionDesigned for Winchester 20-gauge shotguns, Carlson's Cremator Choke Tubes deliver consistent patterns using Triple Shot Technology (TST)-a series of three graduated rings that create a smooth transition to the final constriction. This ported, 17-4 stainless steel set includes both Mid-Range and Long-Range tubes for season-long versatility. Each tube installs and removes without a wrench and offers quick handling and added muzzle protection. Made in the USA.Product HighlightsTwo-pack includes Mid-Range (MR) and Long-Range (LR) ported tubes for flexible patterningTriple Shot Technology reduces pellet deformation and flyers for dense, even patternsPrecision-machined from heat-treated 17-4 stainless steel for durabilityWrench-less installation and quick removal with extended design for muzzle protectionMade in the USA for dependable performanceSpecsGauge: 20 GaugeConfiguration: Ported, extended choke tubesSet Contents: Mid-Range and Long-Range tubes (2 total)Material: 17-4 Stainless SteelDesigned For: Winchester 20-gauge shotgunsCountry of Manufacture: USAUPC: 723189114947Manufacturer Part Number: 11494Brand: CarlsonsNOTE: Optima HP and Remington Pro Bore Long Range cannot be used with any steel shot larger than #2.Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.