The Beretta OptimaChoke Plus Flush Choke Tube 12 Ga, LF is simply the best choke on the market in terms of performance, resistance and reliability. Thanks to an elongated cone, the Beretta Optimachoke Plus 12 Gauge Choke Tube guaranties an excellent shot pattern. The shape improves resistance to the pressure and speed created by 3.5 cartridges with steel shot. The special heat treatment assures a high level of durability.