The Carlson’s Bismuth Bone Buster choke tube (model 09219) is built for use with the Beretta Optima HP in 20 Gauge. It is CNC precision machined from 17-4 heat-treated stainless steel and features a longer parallel section inside the choke compared with many factory tubes. The design is tuned to produce dense, consistent patterns when used with bismuth loads and is compatible with lead and Hevi-Shot. The Extended Range version is suitable for use with steel shot not larger than 2 when used per manufacturer guidance.
Key Specifications
- The material is 17-4 Stainless Steel.
- The product is configured for Optima HP choke systems on Beretta models.
- The constriction type is Extended Range.
- The constriction diameter is .040.
- The caliber/gauge compatibility is 20 Gauge.
- The package includes one choke.
Engineered for shooters who prioritize consistent patterning and durable construction, this Carlson’s choke tube delivers reliable performance with bismuth and approved steel loads while maintaining compatibility with lead and Hevi-Shot. Its extended-parallel internal profile aids pattern density at range, making it a practical choice for upland and waterfowl applications where bismuth or specified steel shot is used.
