Carlsons Choke Tubes 12 Gauge for Beretta Optima HP [ Long Range | 0.708 Diameter ] Blued Steel | Cremator Non-Ported Waterfowl Choke Tube | Made in USA Bionuc SUGGESTED CRIMPS SIZE: Recommend to

SUGGESTED CRIMPS SIZE: Recommend to use with American Fishing Wire Double Barrel Crimp Sleeve size 4F8

Adjustable mounting brackets fit rear rack widths from 90 to 120mm with 10 to 12mm rack tube dimensions

and no spring-loaded doors

FireStik K4ADD Stainless steel disc mounts

Carlsons Choke Tubes 12 Gauge for Beretta Optima HP [ Long Range | 0.708 Diameter ] Blued Steel | Cremator Non-Ported Waterfowl Choke Tube | Made in USA Bionuc SUGGESTED CRIMPS SIZE: Recommend toCarlsons Cremator Choke Tubes features Triple Shot Technology (TST) and is offered in close mid and long range constrictions. TST is a series of three graduated rings in the taper section of the choke tube that allows a more gradual transition from the bore to the final constriction. This design offers reduced pellet deformation, less flyers and more dense patterns. These benefits make the Cremator Series extremely effective on all types of waterfowl