The Carlsons Bismuth Choke Tube for Remington 12 Gauge Mid-Range is engineered for hunters seeking precision and performance. Crafted from 174 heat-treated stainless steel this choke tube boasts a longer parallel section enhancing the density of your shot patterns. Extensive testing ensures optimal performance with Bismuth ammunition while compatibility with all lead and HeviShot loads adds versatility. Achieve bone-crushing patterns effortlessly even at mid-range distances and enjoy the reliability of extended range functionality with steel shot up to size 2. Elevate your hunting game with a choke tube designed for serious impact.