Carlsons Bismuth, Carl 09217 Bismuth Bb 20 Er Ben Crio/crio Plus

The bismuth bone buster choke tube is designed to produce excellent, dense patterns with all bismuth ammunition.It is cnc precision machining from 17-4 heat treated stainless steel featuring a longer parallel section (inside the choke) over conventional factory choke tubes.Combine this with extensive testing with various loads and you have the perfect choke to deliver devastating patterns with bismuth.The bismuth chokes can be used with all lead and hevi-shot loads.Experience the bone crushing dense patterns with the bismuth choke tubes.The extended range choke tube can be used with all steel shot not larger than #2.

Gauge: 20 Gauge
Constriction Type: Extended Range
Configuration: Benelli Crio
Constrictiondiameter: .040
Chokes Included: 1
Material: 17-4 Stainless Steel