Bismuth has earned its reputation as a top-tier material in shot shells, delivering outstanding performance, especially when paired with the Raptor BIZ choke. As a standout addition to the Raptor Series, this choke tube is the result of extensive product development and cutting-edge innovations. Crafted from premium 17-4 PH US stainless steel, it ensures durability and high-performance in the field. Each choke is meticulously manufactured using state-of-the-art equipment, with machining tolerances that exceed industry standards, guaranteeing exceptional precision and reliability with every use. Over-Shotguns can have a Raptor choke in only 1-barrel, the design of the choke does not allow for placement in both barrels, ensuring optimized performance in one barrel