The Winchester Signature Series Invector-Plus Extended Choke Tube is expertly designed to deliver exceptional performance for your shooting needs. Its extended length and precision-engineered choke tapers ensure a consistent uniform pattern with every shot. Crafted from durable 17-4 stainless steel this choke tube is built to last and withstand the demands of various shooting conditions. Approved for use with steel lead and non-toxic shot it offers versatility and reliability. Specifically configured for 12-gauge firearms the improved cylinder constriction is ideal for targets within a 30-yard range. The sleek stainless finish adds a touch of durability and style making it a must-have for hunters and competitive shooters alike.