Benelli Crio Plus Tactical Breecher Choke Tubes Carlson's Tactical Breacher Choke Tube allows you to turn your hunting gun into a home defense gun. The open choke allows for shooting with lead, buckshot, Hevi-Shot or steel shotshells. You can count on this choke tube for your security needs. - Caliber: Benelli Crio Plus 12 Gauge