Description
Carlson’s Choke Tubes Bismuth Bone Buster Extended Range choke tube is made for 12 Gauge shotguns and is CNC machined from 17-4 heat treated stainless steel. It has a longer parallel section inside the choke for consistent, dense patterns when used with Bismuth ammunition. This choke tube can be used with all lead and Hevi-Shot loads, and the Extended Range choke is rated for steel shot no larger than #2.
Key features
- CNC precision machining from 17-4 heat treated stainless steel
- Designed for dense patterns with Bismuth ammunition
- Longer parallel section inside the choke
- Compatible with lead and Hevi-Shot loads
- Extended Range choke for steel shot up to #2
Specifications
| Caliber | 12 Gauge |
|---|---|
| Choke type | Extended Range |
| Material | 17-4 heat treated stainless steel |
| Chokes included | One choke |



