Carlson's Bone Buster Choke 12GA Extended Range Stainless is your go-to companion for precision shooting and exceptional patterns with bismuth ammunition. Engineered from 17-4 heat-treated stainless steel and crafted with CNC precision it features a longer parallel section for tighter more consistent shot placements. Ideal for lead Hevi-Shot and compatible with steel shot up to #2 this choke delivers powerful dense patterns for extended range accuracy. Designed with MobilChoke configuration and a .040 constriction it offers unparalleled durability and consistent performance for serious shooters. Perfect your aim with Carlson's Bone Buster Choke.