Product DescriptionGet consistent midrange patterns from your Winchester shotgun with the Carlsons Flush Choke Tube in 20 gauge, Modified constriction. Precision machined from 174 heattreated stainless steel, this durable tube installs flush with the muzzle for a clean profile while delivering reliable performance with lead, steel, and HeviShot (within manufacturer recommendations). Designed for the Winchester WinChoke system, it&&';;s a dependable replacement choke built in the USA for hunting, clays, and general field use.Product Highlights 20 Gauge Modified constriction for versatile, midrange performance Flushmount design for a clean barrel profile and factorystyle fit 174 heattreated stainless steel construction for strength and corrosion resistance Compatible with Winchester shotguns using the WinChoke pattern; also used by select Mossberg 500, Browning Invector, Weatherby, and Savage models using this system Constriction clearly marked on the tube for easy identification; made in the USA Specs Gauge: 20 Gauge Choke Type: Modified Mount/Pattern: Flush mount, WinChoke pattern Material: 174 heattreated stainless steel Finish/Color: Stainless / Silver Compatibility: Winchester shotguns that use WinChoke tubes UPC: 723189501037 Manufacturer Part Number: 50103 Brand: Carlsons Country of Manufacture: USA 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.