Have One Choke and Adjust to Different Conditions TRUGLO Double Threat Dove Dual-Position Dove Choke Tube gives you a dual position dove choke tube to let you be ready for whatever you find in the field. This 2 position choke tube lets you adjust for close and mid decoy shooting or long range passing shots with a simple twist. It is made to work with field loads for dove and you select the pattern you need. TRUGLO Double Threat Dove Dual-Position Dove Choke Tube Specifications and Features: Manufacture Number TG1002D Quickly adjust for long-range passing shots or close-range decoy shots Simple "Twist and Click" design Easy adjustment without removing the choke Carry only one choke in the field CNC-machined construction For use with dove and field loads (#6 to #8) Includes installation tool (spanner wrench) For 12 gauge shotguns Matte Black Fits: 12 Gauge Mossberg 500 and Maverick 88 Weatherby SA-08 and PA-08 Winchester 1200, 1300, 1400, 1500, and Ranger